Answer:
Each of the daughter cells has 32 chromosomes.
Explanation:
Mitosis is a process of continuous cell division where one cell gives rise to two other cells. Mitosis happens in most cells of our body. From an initial cell, two identical cells with the same number of chromosomes are formed. This is because, prior to cell division, the genetic material of the cell (on chromosomes) is duplicated.
Thus, we can conclude that if a mother cell has 32 chromosomes, with mitosis, two daughter cells of 32 chromosomes will be generated.
When you exhale, air passes through the respiratory structures in which order? A) alveolus, trachea, bronchus, bronchiole, larynx, pharynx, nasal cavity B) alveolus, bronchus, bronchiole, trachea, larynx, pharynx, nasal cavity C) alveolus, bronchiole, bronchus, trachea, larynx, pharynx, nasal cavity D) alveolus, trachea, bronchus, bronchiole, pharynx, larynx, nasal cavity
Exhale (breathe out) is the reverse process of inhaling (breathe in). Thus, the air goes through the bronchioles, out the bronchi, out the trachea, larynx, pharynx and finally out through your mouth and nose. Exhaled air contains wastes and carbon dioxide and it's warm.
Answer:
c
Explanation:
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How do the skin proteins—keratin, melanin, elastin, and collagen—each contribute to our physical identity? how about the dermal papillae?
Answer:
Skin is the largest organ of our body and it contains a lot of immune barriers that protects the pathogens form entering the skin. Majorly the nature of skin also helps in the external appearance of a person and also denotes age.
The skin protein such as keratin, melanin, elastin, and collagen are extracellular matrix proteins that plays a major role in maintaining the elasticity and texture of the skin. The dermal papillae is the region that is present in the outer most layer of the skin that helps in the formation of hair follicles.
Which nutrients contribute most of the energy needed for physical activity -?
In opsonization, antigens that are coated with antibodies are susceptible to
Out of the following given choices;
A. Further antibody attack.
B. Phagocytosis
C. Helper T cells
D. B cells.
E. None of the above.
The answer is B. Phagocytises is the engulfment of a particle from the external environment, by a cell, for ingestion. This is especially critical for the function of macrophages, which are immune cells. These macrophages have receptors for the Fc region of the immunoglobulin on their cell membrane surface.
Describe how evolution changes the relative frequency of alleles in a gene pool. Why does this happen?
What is one way in which the lymphatic system works together with the immune system?
Answer:
Lymphatic system serves as site for production and maturation of lymphocytes.
Explanation:
Primary lymphoid organs of lymphatic system serves as site for production and maturation of lymphocytes which differentiate into B and T lymphocytes. Lymphatic system serves as first line of defense against infections since it transports antibodies, lymphocytes and pathogen along with lymph. Lymphocytes encounter the pathogens in secondary lymphoid tissues and proliferate to become actively involved cells. Spleen serves to filter the blood and presents the pathogens to lymphocytes and macrophages which in turn kill the pathogens.
What is the whisker length of a sea lion with the two-locus genotype aabb?
An_____ is an immunity-producing substance formed from weak, dead, or parts of viruses or bacteria
Enzymes
A) are composed of long chains of fatty acids
B) can be destroyed by variations in temperature or pH
C) are used up, in the process of performing a chemical reaction
D) raise the amount of energy required to start a chemical reaction
Enzymes are not destroyed by temperature or pH variations; they can be denatured, making them inactive. These proteins act as catalysts, lowering the activation energy of reactions without being consumed in the process.
Explanation:The correct answer to which of the following is not true about enzymes is option B) can be destroyed by variations in temperature or pH. Enzymes are not destroyed; they can be denatured or lose their functional shape due to extreme temperatures or pH levels. The denaturation renders them less effective or inactive, but it is a physical change, not a destruction. Enzymes are usually proteins made up of amino acid chains and serve as biocatalysts that accelerate biochemical reactions by specifically lowering the activation energy required for a reaction to proceed. Enzymes are not consumed in the reactions they catalyze; instead, they remain unchanged by the reaction and can be used repeatedly. Lastly, enzymes do not raise the energy requirement for a chemical reaction; instead, they lower it, thus enhancing the reaction rate without being used up.
Which group of living things can move energy from consumers at the top of an energy pyramid back to producers at the bottom? *
A. decomposers
B. producers
C. consumers
D. Nothing can move energy back to the bottom of an energy pyramid.
The most widespread pollutant that can cause long-term lung damage is:
If the sequence of a nontemplate strand of dna is 5'-accgcatccgagtcac-3' what is the sequence of the transcript?
Describe one common role of both bacteria and fungi in the movement of energy and matter in ecosystems. (b) describe how analyzing the data from the treatment group sprayed with water only will increase the validity of the experimental results.
when you move your fingers to type a text message you are using motor neurons of the
Infants need fat because it aids in absorption of several vitamins and also helps the ______________ to develop.nervous systemkidneysskinreproductive system
Answer: nervous system
Infants need fat as aid in absorption of several vitamins. IT also helps the brain or the nervous system to develop normally. Fats insulate all nervous system tissues in the body. Getting enough of this help infants feel full. It is also essential for growth and development.
In liver cells, the inner mitochondrial membranes are about five times the area of the outer mitochondrial membranes. what purpose must this serve?
The larger area of the inner mitochondrial membrane accommodates the proteins and enzymes necessary for the oxidative phosphorylation process used to generate ATP, a key energy molecule. The increased surface area due to the complex folds, known as cristae, allows for increased ATP production, supporting the liver cell's high metabolic activity.
Explanation:The inner mitochondrial membranes in liver cells being about five times the area of the outer mitochondrial membranes serves a crucial function in energy production. The inner mitochondrial membranes house the proteins and enzymes necessary for oxidative phosphorylation, a process used by cells to generate ATP, which is a key energy molecule. The larger the area of the inner membrane, the more space there is for these proteins and enzymes to reside, hence the greater the capacity for ATP production.
Mitochondria, often described as the powerhouses of the cells, are the sites of cellular respiration, where biochemical processes of respiration and energy production occur. The complex folds of the inner mitochondrial membranes, known as cristae, increase the surface area, allowing for increased production of ATP. Therefore, this high ratio of inner to outer membrane area in the mitochondria of liver cells supports their high metabolic activity.
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A student conducted an experiment to test the effect of the digestive enzyme pepsin on cooked egg white and potato in the presence of hydrochloric acid at a pH of 1. Which could be a probable inference? Pepsin digests egg white because it mainly contains protein. Pepsin digests potato because it mainly contains starch. Pepsin digests egg white because it mainly contains fat. NextReset
Understand the hepatic portal system. be able to trace how the blood from the intestinal organs is taken to the liver, filtered and then back into the general circulation. (know the proper order using: sinusoids, hepatic portal veins, hepatic artery, hepatic veins, central veins, inferior vena cava) be able to place these in their correct order
What is parallel editing?
a. the cutting together of two or more shots of the same character as he or she moves across space.
b. the cutting together of two or more shots that signals a long passage of time.
c. the cutting together of two or more lines of action that occur simultaneously at different locations.
d. the cutting together of two or more shots that have nothing explicitly to do with one another.
e. the cutting together of two or more shots that link eye-lines?
Answer:
The correct option is C.
Explanation:
Parallel editing refers to the method of alternating two or more scenes that occur simultaneously at different locations in a video. This technique is also known as cross cutting. The method is one of the methods that video editors used to edit videos of cinemas and films. Parallel editing can also be used to add suspense and pacing to an unfolding film.
This is a is a natural substance that cannot be re-made, re-grown, or regenerated as fast as it is used.
Alcohol __________.
a. is a known carcinogen
b. is technically not a carcinogen
c. is linked with significantly increased risk of lung and stomach cancer
d. does not increase the risk of esophageal cancer
A puggle is a type of dog first produced by mating two other types of dog a pug and a beagle what is that process
The process of mating two different breeds of dogs to create a new breed is called crossbreeding or designer breeding. The characteristics of the resulting puppies can vary depending on the genetic traits inherited from each parent breed.
What is Crossbreeding?Crossbreeding is the deliberate breeding of two different breeds of dogs to create offspring that possess desirable traits from both parent breeds.
The goal of crossbreeding is to produce a new breed that has the desirable traits of both parent breeds, such as appearance, temperament, or working ability.
In the case of a puggle, which is a mix of a pug and a beagle, the breeding process involves mating a purebred pug with a purebred beagle to produce a litter of hybrid puppies that inherit traits from both parent breeds.
It's important to note that while crossbreeding can be a way to create a unique and desirable breed, it is also controversial and has faced criticism from some animal welfare advocates.
Crossbreeding can lead to a variety of health problems, particularly when the parents have significant differences in size or structure.
Therefore, responsible breeding practices are important to ensure the health and well-being of the parent dogs and their offspring.
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The production of a puggle from mating a pug and a beagle is known as intentional breeding or artificial selection. Similar to how a cockapoo is bred from a poodle and a cocker spaniel, this process involves selecting parents with desirable traits. It is a human-driven practice that has led to a wide variety of dog breeds.
When a puggle is created by mating a pug and a beagle, it is an example of intentional breeding or artificial selection. This process involves choosing two different breeds with desirable traits to produce a new breed that exhibits a combination of these traits. Similarly, the breeding of a poodle and a cocker spaniel results in a breed known as the cockapoo.
This form of breeding occurs when humans intervene in the selection process, which has been practiced throughout history to create an array of domesticated animals with certain characteristics. While different dog breeds can interbreed to create hybrid dogs like the puggle and cockapoo, it's important to note that different species, such as the bald eagle and African fish eagle, may produce infertile hybrids due to incompatible genes that control development.
The creation of different dog breeds has largely been influenced by human activity, particularly through kennel clubs and dog shows which began in Victorian England. The American Kennel Club (AKC) continues to recognize new breeds, demonstrating the ongoing evolution and development of dog breeds under human influence.
In which kingdom are an overwhelming majority of its individuals producers? A) Animalia B) Fungi C) Insecta D) Plantae
According to the National Institute of Health, peripheral arterial disease (PAD) happens when there is a narrowing of the blood vessels outside of your heart. The cause of PAD is atherosclerosis. This can reduce or stop blood flow, usually to the legs, causing them to hurt or feel numb. If severe enough, blocked blood flow can cause tissue death. If this condition is left untreated, a foot or leg may need to be amputated.
Based on the passage above, which of the following would indicate PAD?
Low flexibility of blood vessels and increased number of white blood cells
High flexibility of blood vessels and decreased number of white blood cells
Low flexibility of blood vessels in the limbs and high blood pressure
High flexibility of blood vessels in the limbs and low blood pressure
The correct answer is C. Low flexibility of blood vessels in the limbs and high blood pressure
Explanation:
Peripheral arterial disease (PAD) as indicated in the text occurs as a result of blood vessels becoming narrow due to atherosclerosis "narrowing of the blood vessels outside of your heart", this and the fact PAD is also the result of fatty material accumulating and blood vessels hardening,show in this disease one of the indicators would be low flexibility of blood vessels as due to the lack of flexibility the flow of blood is limited which is one of the main consequences of PAD. Besides this, PAD can be indicated by high blood pressure, considering the low flexibility in blood vessels causes the blood to push against the walls of vessels more than normal and therefore there is more pressure in the circulatory system. Thus, based on the passage "low flexibility of blood vessels in the limbs and high blood pressure" would indicate PAD.
Point (-5, 5) lies in Quadrant I II III IV
In a graph, the quadrants are marked from the top right corner and goes anti-clockwise
Hence we will have (+,+) in the Quadrant I
(- , +) in quadrant II
(-,-) in quadrant III
and
(+,-) in quadrant IV
Now the given point (-5,5) is a (-,+) and hence it lies in the quadrant II
An adolescent growth spurt occurs only in boys.
a. True
b. False
The correct answer is B. False
Explanation:
In development, a growth spurt refers to a period of time in which individuals experience rapid growth or development. In the case of an adolescent growth spurt, this is a natural process that occurs to all individuals including boys and girls during puberty. This takes place because during adolescence the hormone levels change and this leads to rapid growth as well as development or maturation of bones, muscle and the sexual or reproductive system. According to this, it is false an adolescent growth spurt occurs only in boys because this is a natural process that occurs on both girls and boys.
A scientist wants to study photosynthesis in a newly discovered species. Which of these cell strict should the scientist study ?
A-vacuoles
B-chloroplasts
C-mitochondria
D-ribosomes
The fluid mosaic model describes the___.
A.organization of organelles in cytoplasm
B.cell membrane
C.movement of carbohydrates in and out of the cell
D.extracellular matrix
Answer:
The correct answer is B.cell membrane
Explanation:
The fluid mosaic model describes the mosaic nature of the cell membrane. Fluid mosaic modal signifies that the plasma membrane is made up of lipid bilayer which is not fully rigid and gives fluidity to its membrane.
Due to this fluidity, components of the plasma membrane, like various plasma membrane proteins move freely in the membranes. This elasticity of the plasma membrane allows some proteins to do flip-flop movement.
These movements of plasma membrane components play important role in the cell signaling and transport of molecules across the cell. Therefore the correct answer is B.cell membrane.
Within any large animal population, there is _______ a variety of traits. And between different animal populations, there is _______ a variety of traits.
A. always; always
B. never; always
C. never; sometimes
D. sometimes; sometimes
Its not option D yall he lying, its always; always
Match each hormone with the description of what would happen if it was absent in a pubescent male. not all labels will be used.