Answer:
Heterotrophs obtain energy by eating plants and animals. Plants are autotrophs, absorbing the sun's energy through photosynthesis and making glucose. Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose.
Describe Claire's symptoms. Explain how they were related to metabolism and homeostasis.
Answer:
Claire's symptoms suggest that lately, she is not enjoying her work which she was very fond of due to her poor eyesight. She is tearful while reading, she is afraid of her role as a mother for their kids in the future, she is worried for her mother. She can not sleep without sleeping pills. she put 30 pounds as she is not active and watches television or the internet all-day.
Metabolism is the process that maintains the body and cell of an organism by involving various chemical reaction that helps in extracting, storing, and utilizing the energy. Homeostasis and metabolism are related to one another as metabolism is required to maintain homeostasis and homeostasis are required for efficient metabolism.
If an organisms has 50 chromosomes in a diploid
cell, how many would be in a haploid cell?
Answer
25
Explanat
Bcz the total number of chromosome are divided into two
Animal and plant cells have thread-like fabrications in their nucleus made up of DNA and proteins. It is the most important for passing the genetic information from the parent to the offspring.
If the organism has 50 chromosomes in a diploid cell, it will have 25 chromosomes in a haploid cell.
This can be explained as:
Diploid is a cell condition in which the chromosomes are found in pairs and is represented as 2n. They have one set of chromosomes from each parent.Haploid (n) is a cell condition when there is only half the number of chromosomes present or when there are only chromosomes from the single parent.Therefore, in the haploid condition 25 chromosomes will be present.
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9. All of the following statements about the scientific name for an organism are true EXCEPT
A. the genus name is listed first
B. the name is two words
C. the species name is listed second
D. the kingdom name is listed first
Answer:
D. the kingdom name is listed first
Explanation:
The genus name is listed first, not the kingdom name. The kingdom name isn't even is the scientific name.
is protein a living cell or a virus
Answer:
Neither.
Explanation:
Proteins are molecules composed of carbon, hydrogen, oxygen, and most importantly one or more chains of amino acids. They are vital to living cells and are required in the process of making, repairing, and composing functioning tissues as well as helping them function.
I hope this helps! :)
A student designed an experiment totest
the effects of light and water on plant growth.
How could this experiment be improved?
Answer:
answer C
Explanation:
You only need to have 1 variable at the time and use the other as dependent
Answer:
I believe the answer is D, all of the above
Explanation:
I NEED HELP ASAP!!!!!! * IS MY ANSWER
metabolism is a process of breaking down molecules and forming new ones.
Where do most of this occur within the cell?
A-CYTOPLASM ******
B- NUCLEUS
C- DNA
D- CELL WALL
A reduction of the amount of product of a particular gene is observed due to a mutation. This type of a mutation is called ____
Answer:
Deletion
When a small segment of chromosome is missing a mutation is called deletion. Since chromosome are made of DNA and DNA constitutes genes so Genes are actually present on chromosomes and when a small segment of chromosomes went missing reduced amount of genes is observed
6. The replication of chromosomes by eukaryotes occurs in a relatively short period of time because
Answer:
because each chromosome contains multiple replicons.
What is cancer? Explain what a doctor means when he or she says the cancer has
"metastasized." (Provide examples)
Answer:
Cancer is a disease that has abnormal cells, that begin to divide that then becomes uncontrollable and destroy the body tissue. When cancers has "metastasized" is when it spreads from one part of the body to another part of the body.
Explanation:
As an example, when cancer starts in the lung and then metastasized to the chest or to the rest of the body.
Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined and used to determine the actual allele frequencies in the population.
Required:
Is this population in Hardy-Weinberg equilibrium? Calculate the T and t.
Complete question:
Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined (TT = 0.56; Tt = 0.28; tt = 0.16) and used to determine the actual allele frequencies in the population. Is this population in Hardy-Weinberg equilibrium? Calculate the T and t.
Answer:
No, the population is not in H-W equilibrium
Explanation:
Due to technical problems, you will find the complete explanation in the attached file
QUESTION 1 (POLL)
We can feed more people with grain than with meat and would
take up less space on our planet to do all this.
SELECT AN ANSWER
True
False
This can not be measured
SUBMIT
Answer:
True.
Explanation:
I say true, but we still need both. And it would be really difficult to get an accurate measurement on it.
Answer:
True
Explanation:
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Select all of the arguments that are supported by the diagram depicting the lytic cycle of viral replication. A) Viruses use a host cell to replicate their genome. B) A single virus can infect multiple cells at the same time. C) Viral replication can exponentially increase virus numbers. D) Viruses destroy host cells upon their release from the cell. E) Viruses use their own organelles for replication of viral components.
Answer: A, C, and D
Explanation: i just did it on usatestprep
The arguments that are supported by the diagram depicting the lytic cycle of viral replication are as follows:
Viruses use a host cell to replicate their genome.Viral replication can exponentially increase virus numbers. Viruses destroy host cells upon their release from the cell.Thus, the correct options are A, C, and D.
What is the Lytic cycle?The lytic cycle may be defined as a type of cycle that involves the process of lysis and destruction of the infected cell and its membrane. This process occurs when a virus has completely infected a cell and replicates new virus particles by the activity of bursting the cell membrane.
The lytic cycle is considered one of the two cycles of viral reproduction, the name of the other is the lysogenic cycle.
During the lytic cycle, the virus uses a host cell to replicate its genome. After occupying the host cell for the same activity, viral replication can exponentially increase virus numbers. And finally the destruction of cells and release themselves from the cell.
Therefore, the correct options for this question are A, C, and D.
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The human appendix, a vestigial structure, is part of which structure.
Answer:
Appendix, in anatomy, a vestigial hollow tube that is closed at one end and is attached at the other end to the cecum, a pouchlike beginning of the large intestine into which the small intestine empties its contents. It is not clear whether the appendix serves any useful purpose in humans.
The answer is anatomy.
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Brainliest answer
How much time will 48.5 million years ago will be at an specifici year.
Proper question or report
Answer:
the report gives particular attention to conditions in low- and ... However, appropriate care for people with NCDs is lacking in many settings, ... By 2020, this number will increase to 7.5 million, accounting for 10% of all ... people ≥ 30 years old with a 10-year risk of fatal or nonfatal cardiovascular events.
Explanation: hope it helps
Answer: Well, it is not determine how much exactly would 48.2 million years ago, but I believe this will be by the beginning of Eocene Period.
Hope this helps;)
Match the term with the definition.
Organism Cells
Tissue Organ
System
1. Similar cells act together to perform of common function.
2. Group of organs cooperate to accomplish common purpose.
3. Tivo or more different tissues arranged to perform a special function.
4. Smallest living unit of structure and function in the body.
5. Denotes a living thing.
Answer:
1.tissue
2.organ system
3.organ
4.cell
5.tissue
Explanation:
1.Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ system.
2.Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ system.
3.Cells grouped together to perform a specialized function are known as a tissue. Tissues arranged together to perform a special function are known as an organ. Organs that together to perform the many functions of the body as a whole are called a system. ... Any abnormal development of tissues or organs.
4.Molecules are the chemical building blocks of all body structures. A cell is the smallest independently functioning unit of a living organism.
5.Tissue. Word used to denote a living thing. Organism. Level made up of a group of tissue working together. Organ.
Organism denotes a living thins. Cells are the smallest living unit of structure and function in the body. Tissue is the similar cells that act together to perform a common function.
What is a cell?A cell is the basic unit of life. It is the structural and functional unit of life in the body. Cells are the smallest unit which are capable of independent existence. A number of similar cells act together to perform a common function is called a tissue.
Organ is made up of two or more different tissues which are arranged to perform a special function. A group of different organs cooperate to accomplish common purpose such as digestive system, excretory system, etc. Organism denotes a living thing which is made up of different organ systems which combine to perform various functions.
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What is the difference between osmosis and diffusion?
A. Diffusion uses energy, but osmosis does not.
B. Osmosis is movement of proteins, and diffusion is movement of water.
C. Diffusion only occurs in animal cells, and osmosis only occurs in plant cells.
D. Osmosis is a kind of diffusion that involves movement of water.
Answer:
D. Osmosis is a kind of diffusion that involves movement of water
Answer: D. Osmosis is a kind of diffusion involving water movement.
Explanation:
I took the test
Look at the data in the table to the right. Then, answer the question that follows.
Based on the data in the table, what conclusion can you draw about the energy needs of different cells?
All cells need the same amount of energy.
Skin cells use more energy than muscle cells.
Cells that need more energy, like muscle cells, have more mitochondria.
Cells that have more mitochondria are larger than other types of cells.
A 2-column table has 4 rows. The first column is labeled Cell type with entries typical animal cell, skin, muscle, liver. The second column is labeled Number of mitochondria with entries 1,000 to 2,000, 200, greater-than 2,000, greater-than 2,000.
Answer:
The correct answer is: C.
Muscle cells require more energy for contraction than any other cell. Hence, option C is correct.
What are mitochondria?The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular). Adenosine triphosphate, a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP).
It generates ATP through the process of oxidative phosphorylation. Small chromosomes found in mitochondria are found there. In most cases, mitochondria and consequently mitochondrial DNA are exclusively passed down from the mother.
Muscle cells contain a large number of mitochondria because they require more amount of energy for contraction. Hence, option C is correct.
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The human body ___________ (can/cannot) produce all the amino acids.
Answer:
only 10 out of 20
Explanation:
Humans can produce 10 of the 20 amino acids. The others must be supplied in the food. ... The essential amino acids are arginine (required for the young, but not for adults), histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. These amino acids are required in the diet.
Which letter indicates a cell structure that directly controls the movement of molecules into and out of the cell?
Answer:
Cell membrane controls the movement of molecules into and out of the cell
Explanation:
Answer:
cell membrane
Explanation:
it controls what goes in and out of the cell
In which situation would artificial insemination most likely be used over other forms of treatment?
A.
A woman's ovaries do not release any eggs.
B.
A man's testicles have not properly descended, lowering sperm count.
C.
There is a blockage in the fallopian tubes.
D.
The mucus that helps the sperm travel to the uterus is too thick.
Answer:
B
Explanation:
artificial insemination is only used when a man is infertile
Choose the letter that indicates the organelle that contains most of a cell's DNA. An animal cell with definite structures labeled from A to E. The vesicles with solid particles inside are labeled A.
The vesicles with no solid matter inside are labeled B.
The large membrane-bound organelle is labeled C. It is located in the center of the cell and contains a mass of densely stained granules and fibers.
The structure labeled D consists of flattened membranous-like stacks.
The tiny dots labeled E are located everywhere in the cell and do not have any membrane.
Answer:
C.
Explanation:
A cell is composed of specific structures that perform specialized functions called ORGANELLES. Among these organelles, an important one exists called NUCLEUS, which is responsible for all other cellular functions as it directs them.
The NUCLEUS is located centrally in the cell and is found as a membrane-bounded organelle in cells that possess it (eukaryotes). The NUCLEUS, which is described in this question with the letter "C" contains most of a cell's genetic material called DNA.
Which is true about scientific theories?
A. Scientific theories can never be proven wrong
B. Scientific theories are always unreliable
C. Scientific research theories prevent new questions from being asked
D. Scientific theories can be rejected by new reliable evidence
_ observations include descriptions of sights, sounds, smells, and texture ( use senses)
A. Solution
B. Problem
C. Qualitative
D. Quantitative
Which animals have tube like mouth?
Answer:
aardvark
Explanation:
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6.What is the process a plant uses to create glucose?
A. ATP
B. Cellular Respiration
B. Cell Membranes C. Cytoplasm D. Mitochondria
C. Diffusion
7. What organelle does cellular respiration take place in?
A. Chloroplast
B. Lysosome
D. Photosynthesis
C. Mitochondria
D. Nucleus
8. The movement of particles from a less crowded area to a more crowded area requires
A. Diffusion
B. Energy
B. Osmosis and endocytosis
C. Endocytosis
9. Which of these are types of passive transport?
A. Osmosis and diffusion
D. Sunlight
C. Diffusion and exocytosis
D. Endocytosis and exocytosis
Answer:
6. Cellular respiration
7. Mitochondria
8. Diffusion
9. Osmosis and diffusion
define Hypothermia in a way a elementary kid would understand
Which type of force is a contact force?
A. Gravity
B. Electromagnetic force
C. Friction
D. Strong nuclear force
Friction is the answer
Answer:
Friction
A-P-E-X
Shifting biomes could have consequences for the regions in which the shifts occur. Read the two cases below and decide which consequences would apply to one or both cases.Case 1: The biome of a small agricultural community in the western United States changes from grassland to desert. A species of migrating duck, which can carry bird flu, goes locally extinct.Case 2: The biome in northern Russia changes from tundra to taiga. Timber harvesting in the region becomes possible. Arctic foxes go locally extinct and are replaced by red foxes that commonly carry rabies.Sort each consequence based on whether it would apply to Case 1, Case 2, or botha. increased risk of wildfiresb. local economy suffersc. carbon storage decreasesd. agricultural production decreasese. carbon storage increasesf. disease vector range changesg. decreased water availabilityh. local economy thrivesi. species range changesCase 1Case 2Cases 1 and 2
Answer:
increased risk of wildfires- both
local economy suffers- Case 1
carbon storage decreases - Case 2
agricultural production decreases - Case 1
carbon storage increases - Case 1
disease vector range changes - Case 2
decreased water availability - Case 1
local economy thrives - Case 2
species range changes - Case 2
Explanation:
Fires are common to taiga biomes. Owing to the fact that the biome in case 1 changed from an agricultural community to a grassland and subsequently to a desert, agricultural productivity will decrease, the local economy will suffer, water availability is decreased and local economy suffers as a consequence of desertification.
On the other hand, in case 2, the diseases vector range as well as species range changes due to the change in the species of foxes from Artic foxes to red foxes that carry rabies. Carbon storage decreases as the taiga biome acts as a carbon sink. The local economy thrives due to timber production.
Lastly, species range changes both in case 1 and case 2 since there is a loss of species. Species range is the area where a particular species can be found during its lifetime. Certainly, the range of area where species are found changed in cases 1 and 2.
The consequences from the given cases are sorted as:
case 1: b. the local economy, c. carbon storage decreases, d. agricultural production decreases, f. disease vector range changes, i. species range changes, g. decreased water availability
Case 2: a. increased risk of wildfires, e. carbon storage increases, f. disease vector range changes, i. species range changes, h. the local economy thrives
Case 1 and 2 both: f. disease vector range changes, i. species range changes.
Consequences by shifting biomes?Case 1:
The shifting of biome from the agricultural community in the United States changes from grassland to desert result in consequences like decrease in the carbon storage and local economy suffers because of reduction in the agricultural production.
Also since the biome changes to the desert, it results in decreased water availability. Also since the biome changes, a species of migrating duck that carries flu goes locally extinct which implies that there will be a change in the range of species as well as the disease vector changes.
Case 2:
Since the biome in Russia changes from Tundra to Taiga now harvesting becomes possible and due to which carbon storage increases which in turn results in the flourishing of the local economy.
As an increase in the forests, there will be an increased risk of wildfires. Since the c foxes go locally extinct and are replaced by red foxes which carry rabies which implies that species range changes and the disease vector range changes.
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Club foot is a rare disease due to congenital skeletal abnormalities, both genetic and nongenetic factors are thought to be responsible for club foot. A family in which club foot was inherited as an autosomal dominant trait with reduced penetrance was identified in 2008. It was found that a mutation in the PITXI gene that caused club foot in this family. Through DNA testing, they determined that 11 people in the family carried the PITXI mutation, but only 8 of these people had club foot.
Required:
What is the penetrance of the PIXTI mutation in this family?
Answer:
72.72%
Explanation:
The Penetrance of the PIXTI mutation in this family can be represented as
The Penetrance represents the percentage of people who show/have the disease
family size = 11
number of people with the disease = 8
Penetrance of PIXTI in the family can be calculated as = 8/11 * 100
= 0.7272 * 100
= 72.72%
The remaining 27.38 % are just carriers of the PITXI gene
Which of the following is not a product of cellular respiration?
A) CO2
B) energy
C) CoH 1206
D) H2O
Answer:
C) CoH 1206 is not a product of cellular respiration
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