what happens in meiosis during telophase l? A) sister chromatids are pulled apart. B) four haploid cells form from each parent cell. c) two haploid cells are formed. d)four retreads form in the center of the cell.

Answer:

The sympathetic nervous system (SNS) is the division of the autonomic nervous system arouses the body and mobilizes its energy in stressful situations.

Explanation:

The SNS is a part of the  central nervous systems  which are responsible for producing reflex cardiovascular system modifications as well as localised changes (such sweating in reaction to a rise in body temperature). The defence response, which is a broad rapid reaction, is produced when the SNS is fully engaged under stress. Large amounts of adrenaline are released from either the adrenal gland during this response, which is also characterized by a rise in cardiac function, heart rate, as well as skeletal muscle dilatation as well as pupillary dilation, bronchial dilatation, and piloerection. The ultimate result is to have the person ready for possible danger. Together with additional neurological or hormonal reactions to stress, such as increased corticotropin as well as cortisol release, the SNS acts.

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The difference between a hypothesis and a theory is a hypothesis is a possible explanation of a single event based on observation, while a theory is a unifying explanation based on many experiments and observations.

A hypothesis is a supposition or forecast of an event that can be seen and assessed by an investigation or piece of scientific research. A hypothesis, on the other hand, is a plausible explanation for a phenomenon that may be examined by science.

When a strengthened hypothesis overcomes all challenges and establishes itself as the greatest logical explanation for a certain phenomena, it becomes a theory. The hypothesis may need to be changed or even abandoned if there is a sufficient amount of data that either contradicts the hypothesis or supports a more convincing alternative explanation.

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The use of MRI brain scans has revealed enlarged ventricles in those who suffer from schizophrenia.

Schizophrenia is a mental illness characterized by recurrent or ongoing psychotic episodes. Hallucinations (often voice hearing), delusions, and jumbled thinking are among the main symptoms. Other signs include indifference, a reduction in emotional expression, and social disengagement. Young adulthood is the normal time for the onset of symptoms, which frequently never go away. Observed behavior, a history that includes the person's reported experiences, and the accounts of those who are familiar with the person are used to make the diagnosis because there is no objective diagnostic test. If symptoms and functional impairment are present for six months (DSM-5) or one month, schizophrenia can be diagnosed.

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This reaction is being caused by parasympathetic nervous system.

Parasympathetic nervous system (PSNS) is a network of nerves that relaxes the body after periods of stress or danger. It also helps run life-sustaining processes, like digestion, during times when it feel safe and relaxed.

Example, Saliva: The PSNS increases saliva production as part of its rest-and-digest function. Saliva includes enzymes that aid in the digestion of meals. Lacrimation: The term "lacrimation" refers to the act of crying. The eyes' fragile tissues are preserved by the lubrication provided by tears.

Lubrication- By applying a thin coating of a solid, liquid, or gas to two moving solid surfaces, lubrication minimizes friction and wear without endangering the surfaces themselves.

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Data from the genetic crosses are consistent with the specific pattern of the inheritance is called as Punnett square

The Punnett square is the table in which the all of the possible outcomes for the genetic cross between the two individuals with the known genotypes are given. In its the simplest form, the Punnett square was consists of the square divided into the four quadrants. A Punnett square was a chart that is allows you to easily determine the expected the percentage of the different genotypes in the offspring of two parents. An example of the Punnett square for the pea plants is shown as below. In this example, both the parents are heterozygous for the flower color (Pp).

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Individuals with chronic alcoholism are predisposed to intracranial bleeding and hypoglycemia secondary to abnormalities in the (c) liver.

Intracranial bleeding is the bleeding that occurs inside the skull. This leads to accumulation of blood that exerts pressure on the brain, ultimately leading to brain damage. The causes for bleeding can be various like: trauma, rupture of blood vessel, high blood pressure, or tumors.

Hypoglycemia is the condition of low levels of sugar in the blood. The most common reason for this condition is the medications taken to control diabetes. However, it can also happen due to other reasons. The general symptoms of the conditions are: palpitations, anxiety, confusion, etc.

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A property that is common to all microbial cells is evolution.

The term microbial cells include wide variety of micro organisms which can be bacteria, virus, fungi, algae, protist etc. The process of evolution is an important process for all the living organisms in order to survive. The evolution includes variation in genetic data that is evident in the form through mutation, transfer and reduction.

Communication between cells is common in bacteria and is a well-researched topic by scientists. The term for the process is quorum sensing and is responsible for biofilm formation, which causes problems in health and other industries. Motility and genetic exchange is not common in various organisms.

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Forming the cell walls of stems, leaves, and roots, the Cellulose compound is the primary structural constituent of plant tissues. the correct answer is option(d).

The polysaccharide cellulose, an organic molecule with the formula n, is made up of a linear chain of several hundred to many thousands of D-glucose units that are covalently bonded. Green plants, numerous types of algae, and oomycetes all have basic cell walls that contain cellulose as an essential structural element.

Because it gives the plant cell wall stability and mechanical and tensile strength, cellulose is crucial for plant cell walls. The maintenance and control of plant cell growth and development are based on the configuration of microfibrils (cellulose). The fundamental structural element of the cell wall, cellulose, is largely responsible for its mechanical strength. Cellular activity is influenced by the positioning of cellulose microfibrils within the cell wall.

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Positive ions are formed when electrons are lost, for example, Potassium ion, K⁺ is formed when a Potassium atom, K losses one electron. A neutral atom of Potassium (K) has 19 protons and 19 electrons, and a positive ion of Potassium (K⁺) has 19 protons and 18 electrons.

Ions are charged particles formed when neutral atoms loss or gain electrons. When electrons are lost, positively charged particles called cations are formed, and when electrons are gained, negatively charged particles called anions are formed. Electropositive elements are more likely to form cations. Potassium (K) losses one electron in order to obtain a stable configuration, forming Potassium ion (K⁺).

For all neutral atoms, the number of protons is always equal to the number of electrons. The number of protons is the same as the atomic number. Potassium (K) has an atomic number of 19, thus it has 19 protons. Since Potassium (K) atom is a neutral atom, it will also have 19 electrons.

However, Potassium ion (K⁺) has lost one of its electrons, so it will have 18 electrons instead of 19. Therefore, Potassium (K) has 19 protons and 19 electrons, while Potassium ion (K⁺) has 19 protons and 18 electrons.

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Answer:

In the ferns, the reproductive cycle entails alternation of generations; a spore-producing generation alternates with one that produces eggs and sperm.

Explanation:

A fern is a specific type of vascular plant which reproduces through spores rather than seeds or flowers. Ferns are plants with roots, stalks, and leaves, much like blooming plants. Unlike blooming plants, unfortunately, ferns lack flowers and seeds and rather than reproduce sexually by secreting microscopic spores or occasionally by vegetative means, as is the case with the walking fern.

In previously, many vascular plants that yield spores were loosely classed with ferns and referred to as "fern allies." Surprises concerning the connections between ferns and their companions have been revealed by recent genomic investigations. First, ferns and horsetails seem to have a lot in common. Horsetails are really now included in the fern family. Second, the flora club moss as well as quillworts, which are sometimes referred to as "fern allies," are in no way related to ferns.

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The emerging field of systems biology focuses on studying living organisms as a whole as well as understanding the workings of the parts of an organ.

This is defined as the study of the interactions and behavior of the components of biological entities such as atoms, cells etc using computational and mathematical analysis.

This is a newly developed branch of science and it helps scientists to understand the different ways in which organs and molecules work and their overall effect the body system.

This is therefore the reason why systems biology was chosen as the most appropriate choice.

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dsDNA, upon entry to the cell, can be immediately copied into mRNA.

dsDNA- Two polynucleotide chains with nitrogenous bases joined by hydrogen bonds make up double-stranded DNA. Due to the anti orientation of the sugar-phosphate backbones and the complimentary nature of the A-T and C-G base pairing, one strand in this arrangement mimics the other.

Cell- The science of structure and function of cells is known as cell biology, and it is based on the idea that a cell is the basic building block of all life. A thorough understanding of the organisms and tissues that cells make up is made possible by concentrating on the cell.

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(c)A reconstituted medication can last for 10-14 days after reconstitution.

Reconstitution is the process of adding medication powder to a solvent to dissolve it and form a solution. It is performed mostly in Pharmacy but some medications needed to be reconstituted immediately before administration.

After a medication has been reconstituted, it can only be stored for a short period before it can no longer be useful. The length of time a liquid medication, or any medication, can be stored safely is known as the shelf life of medication. The length of medication once reconstituted is from several hours to 14 days max.

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Option C: A reconstituted medication can last for 10-14 days after reconstitution.

Reconstitution is the process of adding medication powder to a solvent to dissolve it and form a solution. It is performed mostly in pharmacy but some medications needed to be reconstituted immediately before administration.

After a medication has been reconstituted, it can only be stored for a short period before it can no longer be useful. The length of time a liquid medication, or any medication, can be stored safely is known as the shelf life of medication. The length of medication once reconstituted is from several hours to 14 days max.

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Answer:

Prokaryotic genomic DNA is attached to the plasma membrane in the form of a nucleoid, in contrast to eukaryotic DNA, which is located in a nucleus.

Explanation:

The expected proportion of albino seedlings is 1/4.

Carrier- A carrier is a person who has the illness but shows no symptoms; they are able to spread the illness to another person. A vector is a creature that may spread illness from an affected person to a healthy person who is not already afflicted.

For Example, One of the most prevalent hereditary diseases in Caucasians is cystic fibrosis (CF).

Recessive Allele- A recessive allele is a form of genetic coding that, in the absence of a dominant allele, has no effect on phenotype. The more pronounced effects of the dominant allele in a dominant/recessive relationship between two alleles obscure the effects of the recessive allele.

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The presence of a membrane-enclosed nucleus is a characteristic of (b) eukaryotic cells.

Eukaryotic cells are the advanced cells that have fully developed true nucleus and all the cell organelles. The cell organelles are mitochondria, chloroplast, endoplasmic reticulum, lysosome, etc. These cells have 80S ribosomes. The organisms that possess a eukaryotic cell are: protozoans, plants, fungi and animals.

Nucleus is the double membranous structure that stores the genetic material. The membrane of the nucleus has small pores that regulates the traffic of substances crossing the membrane. It also regulates all the activities of the cell. It is also called the central unit of the cell.

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Seth made a table comparing the functions of different physical structures

Organs in flora

Your frame consists of organ systems, including the digestive gadget, fabricated from man or woman organs, including the belly, liver, and pancreas, which work collectively to carry out a positive characteristic (in this situation, breaking down and absorbing meals).

those organs, in flip, are made of various kinds of tissues, which are companies of cells which paintings collectively to perform a particular activity.

for instance, your belly is manufactured from muscle mass to facilitate movement and glandular tissue to secrete enzymes for chemical breakdown of meals molecules. those tissues, in turn, are made of cells specialized in shape, length, and factor organelles, such as mitochondria for energy and microtubules for motion.

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With respect to ph, in order for cells to continue to effectively do their jobs, it is important that the cell is able to maintain a neutral pH, around 7.

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The head of each femur fits into the deep acetabulum of each os coxae, helping to stabilize the joint.

Acetabulum- The concave surface of the pelvis is known as the acetabulum, sometimes known as the cotyloid cavity. The hip joint is created when the head of the femur connects to the pelvis at the acetabulum.

Os Coxae- The hip bone, also known as the os coxae, innominate bone, pelvic bone, or coxal bone, is a massive, atypical bone that is compressed in the middle and extended above and below. The ilium, ischium, and pubis are its three component components in certain animals, such as humans before puberty.

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Percussion means tapping firmly on a specific body site to detect resonating vibrations.

Leopold Auenbrugger von Auenbrugg, an Austrian physician, published the first account of the surgery in 1761. Although it was mostly disregarded by his contemporaries, it is now often used. Percussion is the act of tapping various body parts with the fingers, hands, or small instruments as part of a physical examination. To ascertain The shape, texture, and boundaries of body organs. fluid levels inside or outside of body parts. Along with inspection, palpation, auscultation, and inquiry, it is one of the four techniques used during a clinical examination. Similar to how simply tapping on a container with your hands causes different noises, lightly tapping on the chest wall causes different sounds depending on how much air is present in the lungs. To ascertain:

The shape, texture, and boundaries of body organs. fluid levels inside or outside of body parts.

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The statement that, in garden peas, yellow seed is dominant to green seed means that when a true-breeding parent with yellow seeds is crossed with a true-breeding parent with green seeds, all offspring will have green seeds.

At a specific genomic region, an allele is one of two or more variations of the DNA sequence (a single base or a segment of nucleotides). For each genomic region with such variation, an individual inherits two alleles, one from each parent. The person is homozygous for the allele if the two alleles are the same.

There are three different alleles: allele I allele b, and allele a. (IO or i). Protein A is created and is found on the membrane of an individual's red blood cells if the allele A on the chromosome is present.

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Since 238,900 is greater than 1, the decimal will move to the left and my exponent will be 5 as seen in 2.389 × 10⁵.

Exponentiation is the process of calculating a power by multiplying together a number of equal factors, where the exponent specifies the number of factors to multiply.

In mathematics, the exponent is the number by which a value (called the base) is said to be raised to a power in exponentiation: for example, the 3 in 2³ = 8.

According to this question, since 238,900 is greater than 1. The decimal will move to the left and the exponent will be 5 as follows:

2.389 × 10⁵

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The term used to denote foods that contribute energy but lack protein, vitamins, and minerals is empty calorie foods.

There are a lot of packaged goods in the grocery store that are high in empty calories. This indicates that they are not very nutritious. Instead, they primarily provide your body with additional carbohydrates and solid fats, which can result in weight gain and nutrient inadequacies.

Empty calories are those that are produced by processed oils, added sugars, and solid fats. Carbohydrate-based treats like cakes, cookies, muffins, donuts, granola bars, and more are among them. sweet beverages, such as fruit juice, soda, and energy drinks.

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The two major approaches used in taxonomic classification of microorganisms that have been isolated and grown in pure culture are termed classical and molecular.

Taxonomic classification is the branch of science that divides and distributes all the living organisms into certain groups in a hierarchical order. Both living and extinct organisms have been classified into those groups, known as taxon. These are: Kingdom, Phylum/Division, Class, Order, Family, Genus, Species.

The molecular approach of taxonomy help in establishing the relations between different organism. It helps in identifying the ancestors as well as evolutionary history of an organism. Various molecular techniques are used for this identification.

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(P high - P low) is re-established to optimize the variable(s) of Fick's law.

According to Fick's law of diffusion, particles subject to random thermal motion have a tendency to move from an area of higher concentration to an area of lower concentration. Fick's diffusion law, which asserts that the diffusion flow is proportional to the concentration gradient, mathematically describes three-dimensional diffusion.

The diffusion process is explained by Fick's law of diffusion (movement of molecules from higher concentration to lower concentration region). Adolf Fick first explained Fick's Law of Diffusion in 1855. Normal diffusion, often known as Fickian diffusion, is a diffusion process that complies with Fick's rules. An abnormal diffusion process also referred to as non-Fickian diffusion, defies Fick's rules.

According to Fick’s law of diffusion,

“The molar flux due to diffusion is proportional to the concentration gradient”.

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The correct answer is pH of 5.5 Increasing the H3O+ by 10 fold decreases the pH by 1 unit so an increase of 100 would decrease the ph by 2 units .

When the concentration of hydrogen ions in a solution increases by a factor of ten, the pH of the solution decreases by one. The acidity of a solution is thus defined as its hydrogen ion concentration [H+] expressed as the solution pH. The pH of a solution is more precisely defined as the negative log of the hydrogen ion concentration: pH=log[H+].

Most natural changes occur as a result of interactions with surrounding rock (particularly carbonate forms) and other materials. pH can also change as a result of precipitation (particularly acid rain) and wastewater or mining discharges 13. Furthermore, CO2 concentrations can affect pH levels.

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The average annual temperature, precipitation, and yearly variation in temperature and precipitation are the primary metrics used by biologists to identify and characterize climate in a region.

Only when these will merge into larger drops through turbulence, in which water droplets clash and produce even larger droplets, is precipitation feasible. The droplets eventually descend, agglomerate, and grow heavy from resistance, and they finally fall as rain.

When cloud droplets or ice particles in the clouds develop and merge, they can no longer be supported by the updrafts (such as upward moving air) in the clouds and fall to the ground, forming precipitation.

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Urea makes lungfish tissue hypoosmotic to the pool. Small stagnant pools do not provide enough water to dilute the toxic ammonia. Lungfish are freshwater vertebrates of the Dipnoi order. Lungfish are most recognized for preserving ancestral Osteichthyes features, such as the capacity to breathe air.

Ancestral ammonia structures, such as the existence of lobed fins with a well-developed internal skeleton. Lungfish are the tetrapods closest surviving relatives. Only six species of lungfish are known to exist today, and they are found in Africa, South America, and Australia. Lungfish have been found in abundance since the Triassic period, according to the fossil record.

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Cognitive-behavioral and learning theories are based on the idea that sexual behaviors are influenced by: Positive and negative feedback that people receive when they express sexual behaviors.

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