Answer:
Studies interviewing women just after birth have found that between 25 and 35 percent of newborns were exposed to alcohol in utero (Gauthier et al.
Trace the pathway a drop of blood would take from the time it leaves the aorta, to the time it returns to the left ventricle ready to leave the aorta again, describing the chambers and vessels
A drop of blood would leave the aorta and travel to the systemic circulation, where it would enter the body's tissues to deliver oxygen and nutrients.
What is systemic circulation?All body tissue has a functional blood supply thanks to the systemic circulation. It transports nutrients and oxygen to the cells as well as waste products and carbon dioxide.
The arterial system, which consists of bigger arteries that divide into smaller arterioles, is where blood would first enter from the aorta.
A drop of blood would go through the systemic circulation, the arterial system, capillaries, the venous system, the right atrium, the right ventricle, the lungs, the left atrium, and the left ventricle before returning to the left ventricle and being prepared to leave the aorta once more.
Thus, this is the pathway a drop of that blood would take from the time it leaves the aorta.
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in eukaryotes, atp synthase is located in the _____________
Answer:
Inner mitochondrial membrane
Explanation:
In prokaryotic cells, ATP synthase lies across the plasma membrane, while in eukaryotic cells it lies across the inner mitochondrial membrane.
How do you solve the transcribe lexicon in Skyrim?
The Transcribe Lexicon puzzle is a quest objective in the game "The Elder Scrolls V: Skyrim", which involves solving a puzzle to transcribe the contents of a Dwemer lexicon.
Here are the steps to solve the puzzle:
Obtain the Blank Lexicon: The quest "Unfathomable Depths" will lead you to a Dwarven ruin called Avanchnzel, where you will find a quest item called the Blank Lexicon. Retrieve it and proceed with the quest.Find the Lexicon Receptacle: After completing the "Unfathomable Depths" quest, you will be given the "Discerning the Transmundane" quest. Follow the quest marker to reach the Tower of Mzark, which is located in the Blackreach region. Inside the tower, you will find the Lexicon Receptacle, which is a large Dwemer machine.Place the Blank Lexicon in the Receptacle: Activate the Lexicon Receptacle and place the Blank Lexicon in the slot provided.Solve the Puzzle: The puzzle consists of two parts: first, you need to rotate the outer ring of the lexicon to match the sequence of glowing patterns on the receptacle. To do this, interact with the lever on the right side of the receptacle, which will rotate the outer ring. Keep rotating it until the sequence on the outer ring matches the one on the receptacle.To learn more about Transcribe Lexicon refer to this link
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During a sea breeze, the _______ becomes warmer than the water, causing the air over the land to _________
creating a ________ pressure area over the land. The air over the water is cooler than the
land during the day, causing the air over the water to _______ creating a ______
pressure area over the water. Since air moves from areas of _______ pressure to areas of
pressure, cool
air blows inland from the water and moves underneath the ______ air.
Answer:
Explanation:
land, rise, high, sink, low, high, warmer
if a gene is found only on the x chromosome and not the y chromosome, it is said to be__
A gene is referred to be an x linked trait or a sex-linked trait if it is exclusively located on the x chromosome and not the y chromosome.
An X-linked gene is one that is found on the X chromosome but not the Y chromosome. Genes on non-sex chromosomes inherit differently than X-linked genes (autosomes). Because he contains just one X chromosome, a guy who carries this mutation will be impacted.
Characteristics that are influenced by genes on the sex chromosomes are known as sex-linked traits. Because the X and Y chromosomes are different, males and females may have different inheritance patterns for certain features. Color blindness is an example of a feature that is more prevalent in men and is connected to sex.
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The above question is incomplete. Check complete question below -
If a gene is found only on the x chromosome and not the y chromosome, it is said to be__
A. X linked
B. Autosomal
C. Recessive chromosomes
D. Dominant chromosomes
define why would a pea plant that is heterozygous for the tallness trait have the dominant phenotype?phenotype.
The pea plant that is heterozygous for the tallness trait has the dominant phenotype because the homozygous and heterozygous forms of the disease express the dominant characteristic.
In genetics, a dominant allele is denoted by a capital letter, and a recessive allele is denoted by a smaller letter. Both homozygous dominant (TT) and heterozygous dominant conditions might result in the dominant trait manifesting (Tt).
As the tall phenotype predominates over the dwarf phenotype, let T stand for the tall allele and t for the dwarf allele. Tall pea plants with the genotype TT are homozygous, while those with the genotype Tt are heterozygous. Two tall pea plants that are homozygous (TT) and two tall pea plants that are heterozygous will result from a cross between them (Tt). They won't have any children that are dwarf-sized. Hence, it is impossible to conceive a small child.
So, despite the fact that the gene only contains one dominant allele, the dominant allele has the capacity to mask or suppress the phenotypic expression of the recessive trait. Hence, tall heterozygous pea plants display the dominant trait.
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High levels Pfr triggers development of flower primordia in long day plants by promoting transcription of the gene CO. true or false?
It is True that high levels of Pfr trigger the development of the flowering complex in long-day plants by promoting transcription of the CO gene.
What does PFR do in plants?Pfr is the bioactive form of the protein. Red light exposure causes plant bioactivity and exposure to far-red light changes Pfr to inactive Pfr form, and phytochrome activity inhibited. These two forms together represent phytochrome system
How does PFR inhibit flowering?Pfr is the bioactive form of the protein. Exposure to red light leads to physical activity in plants. In general, experimental results conclude that PFR of phytochromes is required for long-term flowering of plants. Prevents short-day plants from flowering.
What do phytochromes do in short-day plants?In short-day plants, active phytochromes (Pfr) suppress flowering. During long periods of darkness (long nights), Pfr is converted to Pr. In the absence of Pfr, flowering is unrepressed and short-day plants flower.
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how well an organism survives and reproduces in its environment can be described as its
Any inherited characteristic that aids a plant or animal in surviving and reproducing in its environment is known as an adaptation.
One way to characterize an organism's ability to survive and reproduce in its environment?The ability of an organism to survive and reproduce in its environment is referred to as fitness. High fitness is the term used to describe people who have environmental adaptations that allow them to live and reproduce.
How does a living thing thrive in its surroundings?Evolutionary adaptation, or simply adaptation, is the alteration of an organism to its environment in order to maximize its chances of survival.
According to Charles Darwin's theory of evolution by natural selection, animals who have heritable qualities that allow them to better adapt to their environment than other members of their species will be more likely to live, reproduce, and carry more of their genes to the next generation.
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What are the 7 carbon transfers (fluxes)? (Will give brainly to 1st correct answer)
Answer:1. photosynthesis
2. respiration
3. decomposition
4. combustion
5. burial and compaction
6. carbon sequestration
7. weathering
Explanation:
which molecule did carl woese study to produce his tree of life?
Carl Woese developed his tree of life by studying ribosomal RNA (rRNA) molecules.
Bacteria, Archaea, and Eukaryota were the three different domains that this tree was the first to separate all known lifeforms into. This tree of life was groundbreaking because it revealed the limitations of the conventional two-kingdom categorization system, which divided all living creatures into either plants or animals.
The basis for this new categorization scheme was Woese's work with rRNA molecules. All living cells contain rRNA molecules, which may be used to assess how different and similar different species are.
This approach was used by Woese to identify the relationships between species and their positions in the evolutionary tree.
By analysing the sequence of bases in rRNA molecules from various species, he was able to estimate the degree of relatedness between them and so classify them into three separate domains.
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the skin plays a role in regulation of body temperature, when environment is cool and body heat must be conserved, arterioles serving the skin so that blood bypasses the dermal networks temporarily?
Option B is correct. Skin blood flow decreases when exposed to cold environments due to cutaneous vasoconstriction.
As a result, there is fewer convective heat flow from the center to the surface and less thermal management from the skin's surface. As the body continues to cool, shivering starts.
The extensive blood supply of the skin aids in temperature regulation by allowing for heat loss through dilated vessels and heat retention through constricted vessels. With the help of its blood supply, the skin controls body temperature. Homeostasis is aided by the skin. Our bodies reduce blood supply to the skin in an effort to stop heat loss in an effort to maintain body temperature. We also produce more heat internally thanks to a number of mechanisms. One illustration is shivering, which is the quick contraction of muscles, which can generate a lot of heat inside the body very quickly. These include inducing sweating to allow the water to evaporate on the epidermis to cool it's own surface and increasing blood flow to the body's surface to enable for the heat to be dissipated through the skin.
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Complete Question-
The skin plays a role in regulation of body temperature, when environment is cool and body heat must be conserved, arterioles serving the skin ___so that blood bypasses the dermal ____ networks temporarily?
A. dilate, papillae
B. dilate, capillary
C. constrict, capillary
D. constrict, papillae
to establish a link between a specific bacterium and a skin disease, researchers have shown that the bacterium was present in sick persons but not in healthy individuals. they isolated the bacterium in a pure culture and demonstrated that experimental healthy animals injected with this culture became sick. what other experiment do researchers need to perform to be absolutely sure that the bacterium is responsible for the disease?
Answer:
Explanation:
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se the following information to answer the question(s) below. Giardia intestinalis can cause disease in several different mammalian species, including humans. Giardia organisms (G. intestinalis) that infect humans are similar morphologically to those that infect other mammals; thus they have been considered a single species. However, G. intestinalis has been divided into different subgroups based on their host and a few other characteristics. In 1999, a DNA sequence comparison study tested the hypothesis that these subgroups actually constitute different species. The following phylogenetic tree was constructed from the sequence comparison of rRNA from several subgroups of G. intestinalis and a few other morphologically distinct species of Giardia. The researchers concluded that the subgroups of Giardia are sufficiently different from one another genetically that they could be considered different species. According to the phylogenetic tree in the figure above, G. intestinalis constitutes a _____ group.
The evolutionary tree shown above shows that G. intestinalis belongs to a paraphyletic group.
How does a phylogenetic tree work and what does it mean?A phylogenetic tree depicts the relationship between several creatures by tracing the course of evolution from a shared ancestor to various descendants. The relationships between individuals within a population to the entire Earth's history of life can all be represented by trees.
What function does a phylogenetic tree serve?The use of phylogenetic trees to express theorized evolutionary relationships between enclosed groups of taxa (polyphyletic groups) that have been supported by similar characteristics known as increased presence is crucial for organizing knowledge about biodiversity.
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The largest type of lymphatic vessel, which deposits lymph into the subclavian veins, is called a collecting
duct
thoracic duct
capillaries
In the human body, the thoracic duct is the largest lymphatic channel. The right upper limb, right breast, right lung, and the right side of the head and neck are the only parts of the body where lymph does not exit through the thoracic duct, which is responsible for approximately 75% of all body lymph.
What does the subclavian vein drain into?The right subclavian trunk continues to produce the right lymphatic duct, which enters at the right venous angle, while the left subclavian trunk straight empties into the thoracic duct (junction of the internal jugular vein and subclavian vein). The deep vein known as the subclavian vein returns oxygen-poor blood from the upper body to the heart. Your body has one on each side. Right subclavian vein receives blood from right upper chest. Your left subclavian vein is the vein that carries blood from your left upper chest.
Why subclavian vein is central line?The subclavian veins are a frequently chosen location for central venous access, including access for emergency and acute treatment, tunneled catheters, and subcutaneous ports for chemotherapy, extended antimicrobial therapy, and parenteral feeding. Placement of a central venous line is indicated in a variety of situations, such as fluid resuscitation, blood transfusion, drug infusion, monitoring of the central venous pressure, pulmonary artery catheterization, emergency venous access for patients for whom peripheral access is not possible, and transvenous pacemaker implantation.
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what is endocytosis called when liquids are taken in by the cell?
Pinocytosis is endocytosis called when liquids are taken in by the cell.
A specific type of endocytosis called pinocytosis includes the cell's ingestion of tiny droplets of fluid. The term "cell drinking" also applies to this procedure.
Pinocytosis is the process by which fluid droplets are encircled by tiny invaginations of the plasma membrane and then absorbed into the cell. Pinosomes are tiny vesicles created when the invaginations pinch off from the plasma membrane. After that, these pinosomes combine with lysosomes, which have enzymes that degrade the contents of both.
Pinocytosis is crucial for the delivery of materials including nutrients, ions, and tiny molecules into the cell. Additionally, it controls the fluid balance within the cell as well as the elimination of waste products.
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two processes used to maintain homeostasis by transporting substances into and out of the cell are
The two processes used to maintain homeostasis by transporting substances into and out of the cell are: Passive transport, Active transport.
Passive transport: Passive transport is the movement of molecules or ions across a cell membrane from an area of higher concentration to an area of lower concentration, without the input of energy. Passive transport can occur through two main mechanisms: diffusion and facilitated diffusion. Diffusion is the movement of molecules down their concentration gradient, while facilitated diffusion involves the use of a protein channel or carrier to assist in the movement of molecules across the membrane.Active transport: Active transport is the movement of molecules or ions across a cell membrane from an area of lower concentration to an area of higher concentration, with the input of energy in the form of ATP. Active transport can occur through different mechanisms, including primary active transport, which uses ATP directly to transport molecules, and secondary active transport, which uses the energy stored in an electrochemical gradient to transport molecules.To learn more about homeostasis refer to this link
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if you were able to increase the kinetic energy of the molecuglucose is broken down through cellular respiration, which involves a large number of chemical reactions. at the end of the cellular respiration process, a large number of atp molecules are generated, yet not all of the possible energy that is contained in a molecule of glucose can be harnessed through these chemical reactions to generate atp. in other words, during cellular respiration, not all of the energy that is contained in a molecule of glucose is converted into the energy stored in atp. the remaining energy is .les inside your body, how would this affect your body temperature?
If the remaining energy produced during cellular respiration is lost as heat in the body, it would increase the body temperature.
This is due to the fact that heat is a type of energy, and the body needs to get rid of excess heat in order to maintain a stable internal environment, a process known as homeostasis.
When energy is released during cellular respiration via chemical reactions, some of it is used to form ATP, while the rest is lost as heat. This heat is produced by the metabolic process and must be expelled from the body to prevent overheating. The body accomplishes this through a number of mechanisms, including sweating, breathing, and increasing blood flow to the skin in order to radiate heat.
If the rate of heat loss is insufficient to compensate for the heat generated by cellular respiration, the body temperature rises, resulting in hyperthermia. Sweating, fatigue, headache, dizziness, and, in severe cases, organ damage or failure can all result from this. To avoid overheating and maintain a healthy body temperature, the body must maintain a balance between energy production and heat dissipation.
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match the items. the task is to match the lettered items with the correct numbered items. appearing below is a list of lettered items. following that is a list of numbered items. each numbered item is followed by a drop-down. select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. mitochondrial matrix b. oxygen c. mitochondrial inner membrane d. glycolysis e. 1 f. oxidative phosphorylation g. water h. cell membrane i. substrate-level phosphorylation j. 3 k. cytoplasm l. 4
Matching the items to the correct number list a. mitochondrial matrix b. oxygen c. mitochondrial inner membrane d. glycolysis e. 1 f. oxidative phosphorylation g. water h. cell membrane.
Substrate-level phosphorylation occurs in the cytoplasm of cells (glycolysis) and in the mitochondria (Krebs cycle). .
So. substrate level-mitochondrial inner membrane
Substrate-level phosphorylation is a metabolism reaction that results in the production of ATP or GTP by the transfer of a phosphate group from a substrate directly to ADP or GDP. Transferring from a higher energy (whether phosphate group attached or not) into a lower energy product.
The cytosol contains dissolved nutrients, helps break down waste products, and moves material around the cell. The nucleus often flows with the cytoplasm changing its shape as it moves. Cytosol is known as the matrix of the cytoplasm. It surrounds the cell organelles in eukaryotes.
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a twisted, double strand of nucleotide bases and sugar phosphates is the structure of: group of answer choices mrna dna a protein rna
A twisted, double-stranded strand of nucleotide bases, and sugar phosphates is the structure of option B: DNA.
Nucleic acids, which are the information-carrying molecules of the cell, include DNA (deoxyribonucleic acid) molecules. As nucleotides are made up of numerous smaller molecules, DNA molecules are polymers. A phosphate group, a sugar molecule, and a nitrogenous base are all components of each nucleotide.
The genetic code, or all the information necessary for an organism to function, is stored in DNA molecules, which are housed in the nucleus. Two DNA strands make up DNA molecules, which are then wound around one another to form the double helix, a spiral pattern. James Watson, Francis Crick, and Rosalind Franklin made the initial discovery of the double helix structure of DNA in 1953.
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1 A. how is DNA Replicated
DNA replication occurs in three major steps which are the opening of the double helix and the separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.
What is DNA replication?DNA replication is defined as the biological process of making two identical copies of DNA from a single original DNA molecule that occurs in all living organisms, serving as the most essential part of biological inheritance.
DNA replicates in the S phase of the cell cycle and begins at specific regions in the DNA called DNA replication 'origins'. Many proteins participate in DNA replication and the process is subject to a check by cell surveillance mechanisms called cell cycle checkpoints.
Thus, DNA replication occurs in three major steps which are the opening of the double helix and the separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.
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How does the body maintain thermoregulation?
Body maintain thermoregulation by a part of brain called hypothalamus that examines our current body temperature and compares it to our normal body temperature. When body temperature is too low, hypothalamus causes body to generate and retain heat.
What are the steps in the process of thermoregulation?Thermoregulation includes the body's ability to dissipate heat and the body's ability to gain heat and reduce heat loss. There are four ways to transfer heat: conduction, convection, radiation and evaporation.
What are main ways the human body maintains body temperature homeostasis?The cardiovascular, integumentary (skin and related structures), respiratory, and muscular systems work together to help the body maintain a stable internal temperature. If body temperature increases, blood vessels dilates, allowing more blood to flow near the surface of the skin.
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What are 2 physical, behavioral, and unique adaptations of giraffes and how do those adaptations help giraffes survive and/or reproduce?
Answer:
Giraffes are known for their long necks, which are one of their most distinctive adaptations. Their long necks help them reach leaves and other food sources high up in trees, allowing them to feed on vegetation that is unavailable to other grazing animals. This adaptation helps giraffes obtain sufficient sustenance and allows them to live in areas where other herbivores cannot.
Another important adaptation of giraffes is their speed and agility. Giraffes are known for their quick movements and can run at speeds of up to 35 miles per hour. This allows them to escape from predators and ensures their survival in the African savanna. The giraffe's height and long legs also help it to keep a lookout for predators and detect any danger from a distance.
In terms of reproductive adaptations, giraffes have unique, prehensile tongues that can reach up to 45 cm long. This allows them to easily grasp leaves, fruits, and other food sources, but it also makes it easier for them to mate and feed their young. Additionally, giraffes have a short gestation period compared to other animals of similar size, which allows them to have more offspring over the course of their lives, increasing their chances of survival as a species.
In conclusion, the physical adaptations of a long neck and speed and agility, as well as behavioral adaptations such as their prehensile tongues, have allowed giraffes to survive and reproduce successfully in their African habitats.
Explanation:
which vessels serve as the blood reservoirs of the body?
Imagine a future ecological change that may happen on the Galapagos Islands. What would be the result in the finch population?
Answer:
If an ecological change were to happen on the Galapagos Islands, it would likely result in a significant impact on the finch population. The Galapagos finches, also known as Darwin's finches, are a classic example of how species can evolve to adapt to their environment. Any changes to the environment, such as changes in food availability, competition for resources, or introduction of new predators, can affect the survival and reproduction of different finch species.
In the case of an ecological change, some finch species may be better adapted to the new conditions and their populations may increase, while others may decline. This could lead to a shift in the balance of finch species on the Galapagos Islands, and the finch populations as a whole may change.
Additionally, the loss of any single finch species could have a ripple effect on the entire ecosystem, as they play an important role in the pollination of plants and as a food source for other species. The result of an ecological change on the Galapagos Islands could therefore be significant and far-reaching, affecting not only the finch populations, but also other species and the overall ecosystem.
If an amino acid is not hydrogen bonding with another amino acid, what is it most likely hydrogen bonding with?.
If an amino acid is not hydrogen bonding with another amino acid, it is most likely hydrogen bonding with a solvent molecule, such as water.
Amino acids, as the building blocks of proteins, contain functional groups that can form hydrogen bonds with other functional groups. For example, the amino (-NH2) and carboxyl (-COOH) groups in amino acids can form hydrogen bonds with each other to create the peptide bond that links amino acids together in a protein. However, not all functional groups within an amino acid molecule will be involved in forming the peptide bond or hydrogen bonding with other amino acids. Some functional groups may interact with solvent molecules, such as water, which surround the amino acids in an aqueous environment. These interactions help to stabilize the protein structure and play a crucial role in the function of the protein.
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Muscles are not likely to tear from their bones because perforating fibers of collagen attach the tendons and periosteum to the cortical surfaces of bone
True or False
The statement is true. Muscles are attached to bones through tendons, which are composed of dense regular connective tissue made primarily of collagen fibers.
The tendons attach to the periosteum, which is the outer layer of bone, and the perforating fibers of collagen attach the tendons and periosteum to the cortical surfaces of the bone.
The perforating fibers, also called Sharpey's fibers, are bundles of collagen fibers that extend from the periosteum into the cortical bone. They anchor the tendons to the bone and provide a strong attachment that resists tearing and pulling forces.
When a muscle contracts, it exerts force on the tendon, which in turn pulls on the bone to produce movement. The strong attachment between the tendon and bone provided by the perforating fibers is crucial for allowing this movement to occur without tearing the muscle away from the bone.
In summary, the perforating fibers of collagen fibers that attach tendons and periosteum to the cortical surfaces of bone play an important role in preventing muscles from tearing away from their attachment points.
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2/2/2018Suppose the stereocilia of one hair cellbecome permanently bent. What willmost likely happen as a consequence?Why only a single pitchand not many pitches?A.A single pitch will be constantly perceivedB.A single pitch will no longer be perceivableC.A or B depending on the hair cell’s locationD.A or B depending on the bending’s direction
If the stereocilia of one hair cell become permanently bent, the most likely consequence is that a single pitch will no longer be perceivable.
This is because each hair cell in the inner ear is responsible for detecting a specific frequency or pitch of sound. If the stereocilia on a hair cell are damaged or bent, the hair cell may no longer be able to respond to the particular frequency it was responsible for, which can result in a loss of sensitivity to that frequency.
The reason why only a single pitch is affected is because hair cells are arranged in a tonotopic map, meaning that they are organized based on their preferred frequency. This means that hair cells that respond to higher frequencies are located at one end of the cochlea, while hair cells that respond to lower frequencies are located at the other end. Therefore, if the stereocilia on a hair cell at a particular location are damaged, it will only affect the perception of the frequency corresponding to that particular location in the cochlea.
Overall, the loss of sensitivity to a single pitch is a common consequence of hair cell damage or loss, which can occur due to a variety of factors such as aging, noise exposure, or certain medical conditions.
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what is the source of glucose that is needed for cellular respiration in humans?
Glycogen, the body's storage form of glucose, and dietary sources provide the glucose needed for the production of ATP during cellular respiration.
What does a high glucose level mean?Because the body doesn't produce enough insulin, hypoglycemia (high blood glucose) occurs if there is too much glucose in the blood. Hyperglycemia, a diabetic condition, can cause vomiting, increased hunger and thirst, a quick heartbeat, eyesight issues, and other symptoms. Serious health issues may result from untreated hyperglycemia.
Why does the body use glucose?The primary form of glucose in the body, glucose serves as the body's cells' principal source of energy. Glucose may be produced by the body from other chemicals or it can be obtained from the meals we eat. The cells receive glucose from the blood. One hormone that controls blood glucose levels is insulin.
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which factor likely contributed most to limiting the number of fossils of land creatures?most land creatures were almost entirely made up of softer tissues that decayed too quickly to fossilized.plants and water creatures fossilized in the most common way, while land creatures fossilized in other ways.most land creatures probably died away from watery environments where they would be covered in silt.
The factor that likely contributed most to limiting the number of fossils of land creatures is that most land creatures were almost entirely made up of softer tissues that decayed too quickly to fossilize.
Soft tissues such as muscle and organs decay more quickly than hard tissues like bone, making it less likely for land animals to leave behind fossilized remains. In contrast, many plants and water creatures have harder tissues or shells that are more likely to fossilize. Additionally, land creatures may have been less likely to be rapidly buried in sediment, which is a key process for fossilization to occur. Overall, while there may be multiple contributing factors, the decay of soft tissues is likely the primary factor limiting the number of fossils of land creatures.
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when mismatched blood is administered causing an abo incompatibility, how are the erythrocytes destroyed?
A baby with ABO compatibility is being watched for jaundice by the nurse in the newborn nursery.
When antibodies (IgG or IgM) are directed against extracellular matrix antigens and result in cellular death, tissue damage, or functional loss, this is referred to as a type II hypersensitivity reaction. Antibodies in type II hypersensitivity reactions kill cells. The best examples of this kind of reaction are blood-transfusion reactions, in which host antibodies bind with foreign antigens on incompatible transfused blood cells and cause these cells to perish. Jaundice caused by ABO incompatibility has a certain form. This condition may affect a mother with type O blood and an infant with an A, B, or AB blood type. During pregnancy, mothers may produce antibodies that are damaging to the baby's blood type.
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