Explain how mitosis maintains the chromosome number
of the original cells when forming new cells.
Answers
Relation between mitosis and chromosomes:
During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells. Because this process is so critical, the steps of mitosis are carefully controlled by certain genes. As they move, they pull the one copy of each chromosome with them to opposite poles of the cell. When mitosis is not regulated correctly, health problems such as cancer can result.When a cell divides by way of mitosis, it produces two clones of itself, each with the same number of chromosomes.
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Related Questions
Which statement explains the difference with the spiders living in the urban environment
A. The larger webs helped the spiders absorb sunlight, and their smaller bodies helped them to increase their body heat
B. The larger webs helped the spiders to capture more food, and their smaller bodies helped them to increase their body heat.
C. The larger webs helped the spiders to absorb sunlight, and their smaller bodies helped them sustain themselves with less food
D. The larger webs helped the spiders to capture more food, and their smaller bodies helped them to sustain themselves with less food.
Answers
Answer:
B
b
b
b
b
b
nb
b
bb
b
b
bb
bb
b
b
b
b
v
v
v
Which of these is another way to write Newton's second law of motion?
F = ma
F = m/a
F = m + a
Answers
In humans, Brown eyes (B) is dominant to blue eyes (b). A hom ozygous brown-eyed man marries a blue-eyed woman. What are the genotypic and phenotypic ratios of their children’s eye color?
Genotype: __________________________________
Phenotype: __________________________________
Answers
Answer:
The ratio is 50%
Explanation:
Genotype:
Bb
Phenotype: Brown eyes
Please correct me if I am wrong :)
Answer:
3 of the boxes have Capital b and only 1 box have lower case b
Explanation:
your skin is made up of two layers the epidermis and the dermis. The epidermis produces an oily protein that repels water. When you soak in the bathtub for a long time or Swim for a long time the protein is sloughed off. As a result, your skin cells begin to swell from the excess water and they look wrinkled.
what type of transport is this?
A.)Isotonic
B.)Hypertonic
C.)Hydrotonic
D.)Hypotonic
Answers
Aka when skin cells swell from excess water
Which elements make up the the following compounds?
1. Salt
2. Baking Soda
3. Water
4. Hydrogen Peroxide
Answers
Answer:
The element of salt is sodium. The elements of baking soda also called sodium bicarbonate are carbon,sodium,hydrogen and oxygen. The element of water is hydrogen and oxygen. The elements of hydrogen peroxide are hydrogen and oxygen same as water. Hope this helped!!
Explanation:
I am an A+ student in chemistry. So i know its right ;)
Which term is defined as the sum of the potential energy and the kinetic energy in a system?
Click the answer you think is right.
mechanical energy
thermal energy
potential energy
Kinetic energy
Answers
Answer:
in physical science, mechanical energy is the sum of potential energy and kinetic energy. it is the macroscopic energy issues associated with a system
Which conclusion is supported by this evidence? Neither ball has a charge. The balls are both positively charged. One ball is positively charged, and the other is negatively charged. Each ball has a charge, but the type of charge is unknown.
Answers
Answer:
The correct answer is - Neither ball has a charge
Explanation:
If the two balls are hanged near one another without touch or an external charge to any of the balls there would be no charge present. In the given question is it given that two balls hang down without any contact in them.
So there is no possible way to generate charge and remain uncharge in their position till they get any external charge.
The correct answer is - Neither ball has a charge
What does a number in front of a molecular formula stand for???????
Answers
Explanation:
The small number behind each element symbol designates the number of atoms of each element in a chemical formula. If there is no number, it is assumed there is only one of those elements. A large number designates how many units there are of that compound.
Answer:
Element's number of atoms in a chemical formula
Explanation:
The small number behind each element symbol indicates each element's number of atoms in a chemical formula. If there is no number, it is assumed there is only one of these elements. A huge numeral in front of a compound designates whereby many units there are of that compound.
The sugars are the plants _________ . Oxygen is made as a _________ product
Answers
Answer:
energy
waste product
Explanation:
Answer:
(1) The sugars are the plants nutrients. (2) Oxygen is made as a waste product.
Explanation:
Hope this helped! ^^
Horizontal moves occur along plate margins
A: True
B: False
Answers
10 POINTS QUESTION: Objects of different masses are suspended from a height. Which combination of features will have the greatest gravitational potential energy?
A. high mass and high height
B. high mass and low height
C. low mass and low height
D. low mass and high height
Answers
Answer:
A. high mass and high height
Explanation:
:))
<3
Do good on your work!
50 points HELP!!
What would be the correct complimentary DNA strand given the following DNA strand.
DNA: ATACGAAAT (Type as one word - no spaces)
Using the same strand of DNA, what would be the correct sequence for an RNA strand? (Type as one word - no spaces)
Answers
DNA replication, Process during which a double- stranded DNA molecule is copied to ... You can determine the sequence of a complementary strand if you are given the ... DNA replication is not the same as cell division.
Answer:
TATGCTTTA for question 1.
For RNA following the original strand it would be UAUGCUUUA
Explanation:
Replace A with T(vice versa), and C with G(vice versa)
But for the RNA, A bonds with U instead of T. So it would be the same as the complimentary DNA, just with U instead of T
Primary producers are the basis of any food chain. Sunlight powers photosynthesis which results in the production of chemical energy, glucose. Some organisms are known to survive in dark habits in which sunlight cannot penetrate. What process is responsible for how these organisms obtain energy? A) chemosynthesis B) photosynthesis C) Spermatogenesis D) Cellular respiration
Answers
Answer:
A) Chemosynthesis
Explanation:
Organisms, such as bacteria and other living organisms, use chemosynthesis when there is an absence of light. They use inorganic chemicals to produce energy through reactions.
What two levels of classification make up a scientific name? out of these: domain, kingdom, phylum, class, order, family, genus, species
Answers
Answer:
genus and species
Explanation:
Species is a class of individuals and genus is the rankings right below species
The chromosome number in animas is kept the same from one generation to the next because of__.
Answers
Answer:
Mitosis
Explanation:
Mitosis is the process of cell division. In this process cells are split to create exact replicas of eachother. It is why we don't grow ears on our hands when they are injured. The hand cells are replicated to create more, so it heals correctly. In the Mitosis the two resulting daughter cells always have the same number of chromosomes from the parent cell. Their role is to maintain the same number of chromosomes in each cell division constant, which allows us to grow and self-maintain our bodies.
Please Answer
Which of the following is an example of a heritable characteristic (or inheritable trait) possessed by an animal that will improve its reproductive potential and survivability in its environment?
a. Position of geese flying in V formation
b. Color and shape camouflage of praying mantis
c. Muscle atrophy in aging dogs
d. Male dominance in a pack of wolves
Answers
The color and shape camouflage of praying mantises is an example of an heritable trait possessed by an animal that will improve its reproductive ability and survivability in its environment. So, the correct option is (B).
What are Traits?A phenotypic trait is defined as a specific type of a phenotypic characteristic of an organism that can be either inherited or environmentally determined, but usually occurs as a combination of both.
These are characteristics or features of an organism that are expressed by genes and/or influenced by the environment including physical properties of the organism such as hair color, leaf shape, size, etc., and behavioral characteristics such as bird nests.
The color and shape camouflage of praying mantises is an example of an heritable trait. Thus, the correct option is (B).
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how are energy and matter transferred between organisms and their environment
Answers
Answer:
The energy is transferred both to the decomposer (for growth and development) and to the ecosystem (as heat energy).
Explanation:
Answer:
Food webs are models that demonstrate how matter and energy is transferred between producers, consumers, and decomposers as the three groups interact within an ecosystem. ... Decomposers recycle nutrients from dead plant or animal matter back to the soil in terrestrial environments or to the water in aquatic environments.
100 POINTS!!!! I WILL GIVE BRAINLIEST TO WHO ANSWERS CORRECTLY!!!!!!!!!!!!
Please give a food web for a blue viper
Answers
Answer:
i think mice
Explanation:
please give brainliest
When George diets, where does the body get its energy(instead of fat)?
Answers
Why are some genetic traits very common in certain parts of the world (ex:
brown eyes in California, blue
eyes
in Britain, etc.)?
Answers
Answer:
you are going to have less diversity in specific areas. they will typically have kids with someone they met where they live, and a person will live where they were born. same how mexican people have the same skin color in Mexico.
Could you tell me if the answer is right?
Answers
Answer:
Yes this is correct.
Explanation:
Spindles are necessary to equally divide chromosomes during mitosis
Your lab is working on sequencing a new plasmid. Before starting, you all decide to guess how many base pairs you think the new plasmid has. The lab members' guesses are 4,005; 4,006; 4,007; and 4,010. It turns out the plasmid has 7,968 base pairs. Accurate Precise Neither Both
Answers
Solution :
In this question we have to determine whether the statement given in the question is accurate or precise or both or neither of them.
In the question it is given that the lab members are making a guess about how many base pairs will the new plasmid will have. Their random guesses of base pairs are 4,005; 4,006; 4,007; and 4,010. But in actual, the new plasmid has 7,968 number of base pairs.
Therefore, according to it, the data in the statement is precise but it is not accurate.
Precision refers to the degree of the reproducibility of measurements even if the values varies from accepted values. And accuracy shows how much close the measurement is to the accepted or the known value.
We say that we have a precise data on our hands and not an accurate one
Option B
AccuracyQuestion Parameters:
The lab members' guesses are 4,005; 4,006; 4,007; and 4,010.
Generally, accuracy shows how close a size is to a regarded or established value, whilst precision in facts capability the degree of reproducibility of the measurements. Measurements that are each specific and correct are repeatable and very close to genuine values.
Hence, we say that we have a precise data on our hands and not an accurate one
Option B
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Describe the structure of the
cell membrane and its components
Answers
Answer:
The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.
Explanation:
What does a number in front of a molecular formula stand for???????please I have a test Rn
Answers
Answer:
the amount of times you have to multiply it
Explanation: ex: CONa2
multiply Na by to (2x2)
Which statement describes an interaction between the biosphere and the atmosphere that is related to
photosynthesis?
O During photosynthesis, plant roots take in water from soil.
O During photosynthesis, plants take in carbon dioxide from the air.
O Through photosynthesis, energy stored in plants is released into the air.
O Through photosynthesis, energy stored in plants is transferred to humans who eat them.
Answers
Answer:During photosynthesis, plant roots take in water from soil.
Explanation:
Answer:
During photosynthesis, plants take in carbon dioxide from the air.
Explanation:
The second answer is correct because it includes an interaction between the atmosphere and the biosphere.
Match the word to the best sentence.
anticodon, codon, complementary strand, DNA, DNA replication, mRNA, nucleotide, transcription, translation, tRNA
Group of answer choices
A three base pair sequence on mRNA that codes for the addition of a specific amino acid to build a protein.
This brings amino acids to the ribosome during translation to help make a polypeptide.
A three base pair sequence found on tRNA that will pair with the codon during protein synthesis.
The process that occurs during the S phase of the cell cycle and enables each cell produced during mitosis to have a complete set of genetic instructions.
This nucleic acid carries the instructions to make a protein from the nucleus to the cytoplasm.
One of the monomers of a nucleic acid, that is made of a sugar, a phosphate group and a nitrogen base.
Each half of the double helix that pairs together based on the base pairing rules.
The process of making a mRNA sequence by reading a gene on the DNA in the nucleus of a cell.
This polypeptide stores the genetic information in living organisms and is found in the nucleus of a eukaryotic cell.
After a mRNA strand attached to a ribosome, this process occurs and a protein is made.
Answers
Some people have one sickle cell gene and one normal gene. They have few defective cells and no symptoms because the sickle cell gene is recessive. How does the human system of reproduction result in people getting one copy of a sickle cell gene and one copy of a normal gene? Describe the process.
Answers
Answer:
Through meiosis
Please find the description below
Explanation:
Humans reproduce via a type of reproduction called SEXUAL REPRODUCTION. Sexual reproduction is the type of reproduction that involves two sexes (male and female) of an organism. The males produces male gametes called SPERM while females produce female gametes called EGG.
The process by which these gametes is produced is called MEIOSIS. Meiosis is a division that reduces the chromosome number of the parent cells. According to Gregor Mendel, it occurs in such a way only one allele of a gene is present in each gamete.
Hence, according to this question, getting one copy of a sickle cell gene and one copy of a normal gene is as a result of meiotic division of male and female. One parent undergoes meiosis and contributes the normal allele (S) while the other parent undergoes meiosis and contribute the sickle allele (s).
Which is NOT true about the macromolecule pictured?
Pls help lol
Answers
Answer:
C i think
Explanation:
The picture shows what level of body organization (hint: Muscular, Skeletal, Circulatory)
A. Cell
B. Tissue
C. Organ system
Answers
Answer:
c
Explanation:
What would happen to the amount of glucose and oxygen produced during photosynthesis if the
amount of sunlight decreased? EXPLAIN,
Answers
Without enough light, a plant cannot photosynthesize very quickly - even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.