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yaroslaw [1]
3 years ago
6

Cell ______ is the process during which cells become progressively restricted in their developmental potential.

Biology
2 answers:
SCORPION-xisa [38]3 years ago
4 0

Answer:

Differentiation.

Explanation:

Cell differentiation may be defined as the process in which the cell changes into another cell type from the one cell type. Differentiation is continuous in stem cells of the adults.

During the process of cell differentiation, the cells become restricted to their potential development. The cells determines its fate and start performing a specific function in the cell differentiation. Specific proteins and transcription factors are required for the process of cell differentiation.

Thus, the correct answer is option (d).

kompoz [17]3 years ago
3 0

Answer:

d. differentiation

Explanation:

Developmental potential refers to the ability of a cell to form other cell types. A cell may retain the ability to form other cell types or become specialized to perform specific functions. The process of specialization of cells into specific cell types generally limits their ability to form all cell types and is called differentiation.

For example, differentiation of RBCs include loss of organelles and making space for hemoglobin protein. Mature RBCs loose nucleus and can not divide at all.

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Question 1(Multiple Choice Worth 3 points)
shepuryov [24]

Answer:

1. It involves multiple trials

2. 2 red: 2 white

3. Process 1 describes cloning and process 2 describes artificial selection

4. Furry Feet

5. Large scale insulin could be produced in relatively lesser time

6. A lowercase letter

7. 0%

8. rr

9. 50%

10. The allele for white flowers is recessive in the pea plant

Explanation:

1. Repetition, this means to do over and over. This would involve multiple trials and this is done to test the reliability of the results and determine if the hypothesis holds true or not.

2. If you put your cross in a Punnett square it would look like this:

      R    r                            

r     Rr   rr                          

r     Rr   rr

Based on your problem: R = red; r = white

If the genotype would have a dominant allele (R), then the dominant trait will come out, if it has only recessive alleles (r) then the recessive trait will come out. So as you can see there are 2 red and 2 white. So the ratio would be 2:2 or 1:1.

3. Process 1 is considered as cloning, and to be more specific, reproductive cloning. The aim of this is to produce an offspring that has the same genetic make up as the original or parent organism. Process 2 is an example of artificial selection. This is also known as selective breeding where breeders choose certain traits to pass on to the off springs by selecting the organisms that have the traits desired.

4. Furry feet of polar bears provide them extra traction when they walk on snow. The fur also provides extra warmth. They also have foot pads on the soles of their feet that help them as well. Together, polar bear have something that works like snow boots.

5. Large-scale insulin could be produced in relatively lesser time because bacteria reproduce through asexual means. They produce copies of themselves that are genetically identical. An advantage of asexual reproduction is the process occurs in a much faster rate. With that said, insulin supply would increase, which will help many diabetic patients.

6. Recessive alleles in a genotype are represented by a lowercase letter. On the other hand, dominant alleles are represented by a capital letter. Squares and circles are used in pedigree charts to represent the whole genotype of an organism for a specific trait.

7. The answer would be 0% because cystic fibrosis is a RECESSIVE gene disorder. For it to be expressed or observable in an individual , t<u>hey should have two recessive alleles</u>. As you can see in the end result, none of the offsprings have 2 recessive alleles. The genotype Aa, has a recessive allele, but it will not be expressed because the dominant trait will mask it.

8. When we talk about homozygous, this means the alleles are the same. And when you say heterozygous, this means that the organism would have a dominant and recessive allele. the recessive llele is represented by a lowercase letter. So if the organism is homozygous recessive, the genotype would have two lowercase letters. (rr)

9. The scenario shows the genotype is pp. This means that the pea plant is homozygous recessive. As explained before, recessive traits are represented by lowercase letters. So this would mean that the white color is a recessive trait. The answer would then be the allele for white flowers is recessive in the pea plant.

10. Mitosis and meiosis are both forms of cell division. Mitosis produces daughter cells that are exactly the same as the parent cell, while Meiosis produces daughter cells that are different. They produce what we call haploid cells, which has only half the chromosomes of the parent cell. Gametes or sex cells are produced through meiosis, while body cells are produced through mitosis.

6 0
3 years ago
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Nimfa-mama [501]
They form the skull :)
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Mutation is an important mechanism for evolutionary change. Which type of mutations contribute to evolution?
Aneli [31]
<span>Both somatic and germinal mutations are contributors of evolution. Somatic mutations occur within tissues of individuals that give the said individual differing traits and characteristics. Germinal mutations occur in reproductive cells that can be passed on to offspring, altering their traits and characteristics.</span>
7 0
3 years ago
What type of molecule serves the following functions in the body: maintaining brain health, controlling inflammation, and buildi
Art [367]

I think the answer is B. fatty acids


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6 0
3 years ago
Read 2 more answers
Which process makes it possible for the body to grow and repair? Meiosis Sexual reproduction Replication Mitosis
ArbitrLikvidat [17]
Meiosis sexual reproduction only occurs in the gametes, which do not contribute to the body's growth and repair, only reproduction.
Replication mitosis, however, produces diploid cells identical to the parent/mother cell, which aids in the body's growth and repair. 
3 0
3 years ago
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