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jarptica [38.1K]
3 years ago
7

Which of these factors does NOT play a significant role in cell differentiation?

Biology
1 answer:
irinina [24]3 years ago
8 0

Answer:

Certain segments of DNA will be lost in the translation process, rendering certain genes obsolete in particular cells.

Explanation:

DNA, RNA, and environmental factors all play significant roles in cell differentiation. While DNA is identical in every cell, evert cell does not express the same genes. In different cells, some genes are turned "on" while others are suppressed or turned "off." The combination of genes expressed allows for cells to differentiate.

(Copied from USATESTPREP)

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Cell Division Homework #1 Introduction to Cell Division Directions: Compare and contrast the following pairs of terms:
wel

Answer:

Sister chromatids / centromeres: When a single chromosome has been replicated in copies, each copy is called a sister chromatids.

A special part of the chromosome called the centromere holds the two sister chromatids together. A centromere is like a built-in rubber band for two sister chromosomes.

Mother cell / daughter cell: identical.

Daughter cells are genetically identical to the mother cell at the stage of production through mitosis.

On the other hand, at the stage of production through meiosis, the daughter cells are genetically different and contain only half of the genetic material of the mother cell.

Interphase / cell division: A cell spends most of its time in what is called interphase, and during this time it grows,

replicates its chromosomes, and prepare for cell division.

The cell then leaves Interphase, undergoes mitosis, and completes its division.

DNA / chromosome: Genes are segments of deoxyirbonucleic acid (DNA) that contain the code for specific protein that functions in one or more types of cell in the body

Chromosomes are structures within cells that contains a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

Mitosis / cytokinesis: Basically, mitosis is a process by which the duplicated genome in a cell is separated into halves that are identical in nature.

Cytokinesis is the process where the cytoplasm of the cell divides to form two 'daughter' cells. The result is the formation of two 'daughter cells', each having a nucleus.

8 0
2 years ago
Ozone intake can cause irritation in what system ofthe body?
Grace [21]

it could cause vaginal itching.

3 0
3 years ago
What happens to the temperature when the atmospheric co2 level increases in this model?
Arada [10]

Answer:

The temperature of the surrounding air increases when the atmospheric CO2 level increases.

Explanation: Carbondioxide gas is a very important gas in the environment but high amount of it cause damage to the organisms.

Carbondioxide gas is also called greenhouse gas because it has the ability to absorb or trap heat energy when the solar radiation goes into the space after hitting the earth surface. If the concentration of carbondioxide gas is increased, more heat energy will be trapped and thus increase occurs in the temperature of the atmosphere which results in global warming.

4 0
3 years ago
State two ways in which endocrine glands and exocrine glands differ.
denis-greek [22]

Answer:

The two major differences lies in the function and support system.

Explanation:

The two major differences between an endocrine and an exocrine system are as follows –  

a) An endocrine system releases its produce (hormones) into the connective tissue i.e blood while the exocrine system releases hormones directly into the ducts so that it could reach the targeted tissue directly.  

For example – the Adrenal gland is an endocrine gland that secretes adrenaline directly into the blood. The salivary gland is an exocrine gland that releases its produce into the collecting duct leading to mouth. However, Pancreas is both endocrine and exocrine gland.

b) The endocrine system cannot work alone therefore it works in coordination with the nervous system to control actions and balance the body. However, the exocrine system works independently

.

5 0
3 years ago
If Band 8 in Sample F represents the mutated gene that causes baldness, which other DNA samples may also
mixas84 [53]
B and E.................:)
6 0
3 years ago
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