What is the importance of the study of cell division in the field of medicine What other fields of science is cell division important?.
All living things depend on cell division for growth, repair, and reproduction, hence it is a crucial process all living things. Damaged cells are renewed as a result of this process. the creation of new cells from existing ones.
For you to grow and for your wounds to heal, cells must divide. Cells must also stop dividing at the appropriate time. Cancer can result from a cell's inability to stop dividing when it should, which is a condition known as cell division failure. Some cells, like skin cells, divide often.
Some cells in growing organisms perish or sustain damage, necessitating replacement. Some single-celled creatures exclusively reproduce by a specific sort of mitosis. Cell division in multicellular organisms increases the overall number of cells, allowing for individual growth and change.
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4. Think about the carbon cycle. Describe how each of the two systems in your experiment modeled
aspects of the cycling of carbon on Earth. Which parts of the Earth system - the hydrosphere,
atmosphere, geosphere, and biosphere were represented by your models? Which part or parts were
missing? (3 points)
The two systems in the experiment modeled different aspects of the carbon cycle on Earth.
What do you mean by carbon cycle?
The carbon cycle is the process by which carbon moves through the Earth's atmosphere, land, ocean, and organisms. Carbon is exchanged between these reservoirs through a variety of pathways, such as respiration, photosynthesis, combustion, and decomposition. This exchange helps maintain the Earth's climate and the balance of life on the planet.
The first system, using baking soda and vinegar, represented the exchange of carbon dioxide between the atmosphere and the hydrosphere. The carbon dioxide was released into the atmosphere, representing the burning of fossil fuels, and then absorbed back into the water, representing the uptake of carbon dioxide by the oceans. The second system, using the terrarium and plants, represented the exchange of carbon dioxide between the atmosphere and the biosphere. The carbon dioxide was released into the atmosphere, representing the respiration of living organisms, and then absorbed by the plants, representing photosynthesis.
Both systems represented aspects of the geosphere and the atmosphere, while the first system also included the hydrosphere. The biosphere was represented by the second system. None of the systems included the cryosphere, which is the frozen water found in the polar regions.
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Why do alleles from linked genes assort independently, if crossing over DOES occur?
a. They are transmitted together (on the same chromosome), instead of being transmitted independently of each other.
b. They end up on different chromosomes, so are then transmitted independently of each other.
c. Crossing over is random, so the closer genes are on the chromosome, the less likely crossing over is to occur.
d. They are involved in the same traits, so are transmitted together.
Since gene crossing over is a random process, it is less likely to happen when genes are near together on a chromosome. The right response in this case is option C.
Crossing over occurs during meiosis when homologous chromosomes exchange genetic material. This process can cause alleles of linked genes to assort independently because it can move the alleles to different chromosomes.
However, the closer two genes are on a chromosome, the less likely it is for a crossover to occur between them, resulting in an increased linkage between these genes. This is why genes that are located closer together on a chromosome tend to be inherited together more often than genes that are farther apart.
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Does Claire find out the truth about Malva?.
Despite getting away with murder, Allan subsequently acknowledged to Claire at Malva's burial that he had raped and impregnated her.
Claire is aware that she did not experience the same thing, but she is unable to identify the root of the problem. Tom eventually learns the truth. Before passing away, Malva tells him that she caused their illnesses. She had poisoned Claire and Tom after obtaining pieces of the deceased Sin Eater.
Even though he did not commit Malva's death, Tom subsequently confesses to it. In a private conversation with Claire, he admits that he knew the daughter was a witch and a siren who attracted men, just like her mother. In addition, he beats her for telling the truth.
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What are the 3 most important body systems?.
Answer:
Circulatory, Digestive & Respiratory.
Explanation:
circulatory system:
The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
respiratory system:
The cells in our bodies need oxygen to stay alive. Carbon dioxide is made in our bodies as cells do their jobs. The lungs and respiratory system allow oxygen in the air to be taken into the body, while also letting the body get rid of carbon dioxide in the air breathed out.
Digestive system:
Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body.
What types of lenses do we have in our eyes?
A. Converging (concave)
B. Diverging (convex)
Answer: B. Diverging (convex)
Explanation: your eyes stick out not in
Answer:
B. Diverging ( convex )
Explanation:
Those are the types of lenses that we have
Identify all the statements that describe the benefits of microbes from a human perspective. Check All That Apply
1-Nitrogen gas is not accessible for use by most organisms without the help of some microbes.
2- It has been hypothesized that since some microbes are photosynthetic and therefore release oxygen into the environment, today's oxygen levels are a direct result of their presence on earth.
3-Microbes can cause disease.
4-Microbes degrade/recycle metabolic wastes from other living organisms.
Microbes degrade/recycle metabolic wastes from other living organisms.
What is microbe ?Microbes aid in food digestion, aid in nutrient absorption, and compete with pathogenic bacteria in the intestines. They create proteins and vitamins that human genes are incapable of producing. They also help the immune system fight infections and disorders across the entire human body by preventing the formation of dangerous skin germs.
Microorganisms, often known as microbes, are minute organisms that can be either single cells or colonies of cells.
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what process allows a stomach cell and a skin cell to have specialized functions?
The process of differentiation allows a stomach cell and a skin cell to have specialized functions.
Differentiation is an important process that enables the human body to create specialized cells for different purposes. For example, a stomach cell and a skin cell are two very different types of cells that perform very different tasks.
Stomach cells are responsible for digesting food while skin cells help protect the body from the elements and maintain a healthy temperature.
Differentiation allows these cells to develop unique properties that enable them to fulfill their specific functions. Without differentiation, the human body would not be able to operate properly.
This process of specialization allows for the body to be more efficient in its functioning.
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Which statement is true about the Milky Way Galaxy?
It is an irregular galaxy.
New stars are not being created in it.
It is a spiral galaxy.
It contains no more than 100 million stars.
Explanation:
New stars are not being created in it
Which of the following is true about
bones?
A. Ossification is the process of bone development.
B. Blood vessels run around bones and not through.
C. All bones are mostly cartilage.
D. Bones are made of non-living tissues.
A. Ossification is the process of bone development.
What is ossification?
Ossification is the process by which bones are formed and developed from the precursor tissue, hyaline cartilage, in the embryo and fetus, or in the growing child. This process involves the replacement of the cartilage model with hard, calcified bone tissue, and it is essential for the formation of the skeleton. There are two types of ossification: endochondral and intramembranous.
Endochondral ossification occurs when the cartilage model is replaced by bone, while intramembranous ossification occurs when bone is formed directly from mesenchymal cells without a cartilage precursor. This process is regulated by various hormones, growth factors, and other signaling molecules, and it is influenced by environmental factors such as nutrition, exercise, and disease. The end result of ossification is a strong and rigid skeleton that provides support and protection to the body, and allows for movement through the attachment of muscles
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a reduction in population size caused by a natural disaster
A reduction in population size caused by a natural disaster is called genetic drift.
What do you mean by genetic drift?
Genetic drift, also known as allelic drift or the Wright effect, is the random variation in the frequency of an existing gene variant (allele) in a population. Genetic drift can lead gene variations to vanish completely, reducing genetic variety. It can also cause previously unusual alleles to become considerably more common, if not addressed. When there are few copies of an allele, the influence of genetic drift is more noticeable, and when there are many copies, the effect is less noticeable. In the mid-twentieth century, heated discussions raged about the relative relevance of natural selection against neutral mechanisms such as genetic drift.
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Which of the following correctly describes the functions of the rough endoplasmic reticulum (RER) and
Golgi apparatus, respectively?
a. modification of proteins; processing of proteins for cell secretion
b. ATP production; synthesis of proteins for cell secretion
c processing of proteins; synthesis of proteins for cell secretion
d. synthesis of proteins for cell secretion; ATP production
Answer:
c. processing of proteins; synthesis of proteins for cell secretion
Explanation:
In what way has the development of cellular phones been characteristic of the modern era.
Cellular phones been characteristic of the modern era as they has made the spread of cultures and ideas easier in todays modern era.
What impact these Cellular phones have on us ?The advent of the cell phone has changed our views and expectations. It is normal for people to call other people from their cell phones to let them know if they will be late for a meeting.
Well now It is no longer necessary to reach consensus on the meeting's schedule and place. To communicate their whereabouts, people can simply call each other on their cell phones.
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plasmodial slime mold is an example of a multinucleated cell t or f
A multinucleated cell is exemplified by the plasmodial slime mould. As seen to the right, it can be described as "one enormous cytoplasmic mass with multiple nuclei.
During their feeding stage, plasmodial slime moulds slide along surfaces like an amorphous ball of slime and are made up of enormous, multinucleate cells. As it moves, the slime mould lifts and engulfs food particles, particularly bacteria. During their feeding stage, known as the plasmodium, the myxomycetes known as plasmodial slime moulds produce a large, multinucleate amoeba. They have diplontic life cycles, and this group has sporocarps with a wide range of morphologies.
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A rooster with grey feathers is crossed with a hen of the same phenotype. they produce 15 chicks with grey feathers, 7 chicks with black feathers, and 8 chicks with white feathers. what is the simplest explanation for this inheritance pattern?
The simplest explanation for the inheritance pattern of a rooster with grey feathers is crossed with a hen of the same phenotype and then they produce 15 chicks with grey feathers, 7 chicks with black feathers, and 8 chicks with white feathers are incomplete dominance pattern.
Feаther color is controlled by 2 genes: B = blаck аnd b = white. The third phenotype is the result of а 50-50 mix of blаck аnd white to produce grаy. The 15 grаy, 6 blаck, аnd 8 white birds represent а 2:1:1 rаtio; the result of mаting two heterozygous individuаls: (Bb x Bb).
Incomplete dominаnce is а lаck of dominаnce in either of two different аlleles in heterozygotes, so thаt the phenotype is intermediаte between thаt of homozygotes for either of the two аlleles. In the case above, the blаck аnd white аlleles аre incomplete dominаnce, with heterozygotes being grаy in color.
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Which of the following lists the steps of the scientific method in the correct order?
Answer:
C. observation, question, hypothesis, prediction, experiment/observation, conclusion
Explanation:
Why is the hypothalamus a major coordinating and control center? It contains autonomic centers and acts as an endocrine orga
The sophisticated control and coordination center is located in your hypothalamus, a structure deep inside your brain.
Its principal responsibility is to keep your body in a constant state of equilibrium known as homeostasis. It accomplishes this by directly influencing your autonomic nervous system or by regulating hormones. The pituitary gland is influenced by a number of releasing and inhibiting hormones from the brain that encourage the synthesis of pituitary hormones. Some of the pituitary hormones influence other glands spread throughout the body, while others have an effect on the target organs directly. The endocrine system, autonomic system, and somatic behavior are all controlled by hypothalamic output. The region below the thalamus has 11 distinct nuclei.
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_____ is a process in which plants take energy from the sun or other light source and convert it into sugar, which can be converted to other food molecules.
Plants use a process called photosynthesis to transform the energy either the sun or another light source into sugar, which can then be transformed into other food molecules.
How does photosynthesis work?The process whereby the plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis. The sustainability of the vast bulk of life on this planet depends on photosynthesis.
How is photosynthesis so crucial to our survival?On a frequent basis, photosynthesis provides humans with the energy to generate heat, light, & electricity as well as the food they eat. Moreover, as autotrophs contribute to practically all food chains as manufacturers, this mechanism is also crucial for humans.
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A scientist has some purple-flowered peas plants. She wants to find out if the pea plants are homozygous for the purple flower color. What cross will be best to find out if the purple flowered peas are homozygous?
The best cross to find out if the purple-flowered peas are homozygous is a monohybrid cross. In a monohybrid cross, the scientist would cross the purple-flowered pea plant with another pea plant that has a different flower color (such as white), and observe the phenotype (observable characteristics) of the offspring.
If the purple-flowered pea plant is homozygous for the purple flower color (PP), all of the offspring will also have purple flowers. However, if the purple-flowered pea plant is heterozygous (Pp) for the purple flower color, some of the offspring will have white flowers. This is because the offspring will inherit one allele (version) of the gene for flower color from each parent. If the purple-flowered parent is homozygous, it will pass on a purple allele in each case; if it is heterozygous, it will pass on either a purple or white allele.
By observing the flower color of the offspring, the scientist can determine whether the parent plant is homozygous or heterozygous for the purple flower color allele. If all the offspring have purple flowers, the parent plant is homozygous. If some of the offspring have white flowers, the parent plant is heterozygous.
Answer:
As we know, purple flowered peas plants are a dominate traits.
The purple flowered pea plants that the scientist has might be heterozygous(Pp) or homozygous (PP).
The best cross to find out what alleles those purple flowered peas are carrying, is to cross it with heterozygous purple flowered pea plant...
we have:
Heterozygous purple-flowered peas crossed with unknown alleles for purple-flowered peas.
Pp X P_Now, we have two options
a) Pp X Pp
Results will be :
PP, 2Pp, pp3=purple-flowered peas
1= white- flowered peas
(75% purple and 25% white)
b) Pp X PPResults will be :
2PP, 2Pp
4 = purple-flowered peas
(100% purple)
Now,
If all the results were purple-flowered peas then the plants she has are homozygous
And if some of the results were white-flowered peas then the plants she has are heterozygous
Biology | Help is appreciated ;-;
How many water molecules are produced by these amino acids?
(AUG) Methionine: 0 water molecules
(GUA) Leucine: 3 water molecules
(CCA) Proline: ?
(GUG) Valine: ?
(UAU) Tyrosine: ?
(ACG) Threonine: ?
(UCG) Serine: ?
(UAC) Tyrosine: ?
(UGC) Cysteine: ?
(CAG) Glutamine: ?
The number of water molecules produced are:
AUG (Methionine) does not produce water molecules.GUA (Leucine) produces 3 water molecules .CCA (Proline) produces 2 water molecules.GUG (Valine) produces 2 water molecules .UAU (Tyrosine) produces 2 water molecules .ACG (Threonine) produces 2 water molecules .UCG (Serine) produces 2 water molecules.UAC (Tyrosine) produces 2 water molecules.UGC (Cysteine) produces 2 water molecules. CAG (Glutamine) produces 2 water molecules. What are amino acids?Amino acids are the building blocks of proteins and they are composed of an amino group (NH2), a carboxyl group (COOH), and a unique side chain group (R group).
These groups react with each other during the formation of peptide bonds between amino acids, which leads to the formation of a protein. The number of water molecules produced during the formation of peptide bonds depends on the specific amino acids involved in the reaction.
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Biologists measure the length of a tagged sea turtle. They learn that the turtle is 2.3 cm longer than the last time it was measured. Where did the sea turtle get the building blocks it needed to grow?
answer choices
From the jellyfish it ate
From sunlight it absorbed
From the oxygen it breathed
From nutrients it absorbed from the water
Answer: the answer is... From the jellyfish it ate.
Explanation: Organisms get nutrients from their food.
differences between a rhizome and root tuber
Answer:
Root tubers can grow in any direction.
Rhizomes grow horizontally under the ground.
the process in which the roots take in water and dissolved minerals from the soil
The process in which the roots take in water and dissolved minerals from the soil is absorption.
Osmosis, the transport of material from a region of higher concentration to a region of lower concentration, is the process by which water and dissolved minerals are absorbed from the moisture in the soil. In most species, the root hairs are the part of the roots that do this absorption. With the aid of their roots, plants take up water and nutrients (in the form of salts or ions) from the soil. Absorption is the process through which plants absorb substances from the soil. The root is a cylindrical subterranean component of a plant that develops vertically in the earth and aids in absorption.
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Which of the following typically increases genetic diversity in a population?
a. Genetic drift occurs only in small populations.
b. Inbreeding increases genetic diversity.
c. Gene flow can introduce new alleles into a population.
What are the two types of cells that don't have 46 chromosomes?.
The two types of cells that don't have 46 chromosomes are sperm cells and egg cells. Those cells are known as haploid.
What is a chromosome?Chromosome is the DNA molecule which is grouped into thread-like structures in the nucleus from each cell. Each human cell generally contains 23 pairs of chromosomes, for a total of 46 chromosomes. It contains 22 pairs of autosomes and one pair of sex chromosome. This number is known as a diploid cell because it contains two sets of chromosomes. It is very important for the growth of the human body.
There are another cell that contains only one set of chromosomes. This is called a haploid cell, with only 23 total chromosomes. It can be found in sperm cells and egg cells. Because of the meiosis process, a diploid cell is divided into a haploid cell. These cells will blend with another haploid cell during the fertilization process. It is very important for sexual reproduction.
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what sublevels are filled in the transition elements
As stated before, transition metals are also called the d block because they fill up the d sub levels.
what is transition elements?
Transition elements (also known as transition metals) are elements that have partially filled d orbitals. IUPAC defines transition elements as an element having a d subshell that is partially filled with electrons, or an element that has the ability to form stable cations with an incompletely filled d orbital.Transition metals are found in the periodic table between the s-block and p-block elements. Thus, they are called d-block elements. Transition metals are unstable metals that display transitional behavior between s and p block elements, thus their name.Some of the most important and useful transition metals have very low crustal abundances—e.g., tungsten, platinum, gold, and silver. Four of the regular transition metals were known to the ancients: iron (ferrum), copper (cuprum), silver (argentum), and gold (aurum).To learn more about elements refers to:
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the repeated pattern of growth and division in cells is called
Eukaryotic cells go through a cycle of repeated growth and division known as the cell cycle. There are three phases to this cycle: G1, S, G2. Cell division takes place in the final two phases.
What exactly is cell division and growth?Mitosis is an essential life process. A cell divides into two identical daughter cells during mitosis, during which it duplicates all of its contents, including its chromosomes. Certain genes carefully regulate the stages of mitosis because of the importance of this process.
Which stage of the cell cycle—interphase mitosis or cytokinesis—takes the longest?The longest phase of the cell cycle is called interphase. Before entering mitosis, the cell grows and copies its DNA during this phase. Chromosomes will align, split, and form new daughter cells during mitosis. Since interphase occurs in between mitotic (M) phases, the prefix inter- means between.
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what is the function of the aortic semilunar valve
The aortic semilunar valve is a valve that connects the left ventricle to the aorta. This valve is known as a semilunar valve because it is made up of three skin flaps/cusps shaped like half-moons.
The aortic semilunar valve controls blood flow through the left ventricle and into the aorta. The semilunar valve is a "one-way" valve, which means that blood can only flow in one direction (out of the left ventricle and into the aorta). When the left ventricle contracts, the skin flaps of this valve open, allowing blood to flow from the ventricle to the aorta. When the left ventricle does not contract, the semilunar valve closes, preventing blood from flowing backward into the ventricles.
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A true‑breeding black rabbit is crossed with a true‑breeding white rabbit to produce an f1 generation of 16 individuals. if the black color trait is dominant, which of the outcomes represents the expected phenotype of an f1 generation cross?
The expected phenotype of an F1 generation cross between a true-breeding black rabbit and a true-breeding white rabbit would be all black rabbits, as the black color trait is dominant.
This means that the dominant allele for black color (B) will always mask the recessive allele for white color (b) in the phenotype, or observable physical traits, of the offspring.
Therefore, even though the F1 generation individuals will carry one B allele and one b allele, they will all appear black.
In Mendel's first law of inheritance, known as the law of dominance, states that when an organism inherits two different alleles for a trait, only one allele will be expressed in the phenotype.
In conclusion, the expected phenotype of an F1 generation cross between a true-breeding black rabbit and a true-breeding white rabbit would be all black rabbits, as the black color trait is dominant and the law of dominance states that only one allele will be expressed in the phenotype.
The recessive allele will be hidden and can be only passed to the next generation.
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Which division of the nervous system consists of the brain and spinal cord?
The brain and spinal cord are the two parts of the central nervous system, according to the statement.
In basic terms, how does the nervous system?The body's well-organized network of nerve tissue. The peripheral nervous system, which connects the brainstem to the rest of the body, the central nervous system, and additional nerve tissue are all included in it.
How is the nervous system impacted?Meningitis, encephalopathy, measles, and dorsal abscess are a few examples of infections. structural conditions such brain or spinal cord damage, Bell's palsy, cervical disk herniation, the carpal tunnel syndrome, tumors in the brain or spinal cord, nerve damage, and Guillain-Barré syndrome.
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