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sweet [91]
1 year ago
15

Given the findings in the passage, which additional result most strongly indicates that the TGFBR1 and TGFBR2 receptors regulate

TGFβ-dependent epithelial proliferation?
Biology
1 answer:
zysi [14]1 year ago
5 0

Answer: Option B.

Explanation:

The first experiment of the passage shows that treatment with TGFBR1 and TGFBR2 antagonists led to lower levels of epithelial cell production. For this conclusion to be strongly valid, we want to show a positive correlation between TGFBR activity and epithelial proliferation.

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c

Explanation:

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Muscle cells, also known as myocytes, contain numerous amounts of mitochondria inside of their cytoplasm. Mitochondria are organelles that are popularly known as the powerhouse of the cell because they function to process different biochemicals (such as glucose, oxygen, etc) and produce essentially Adenosine Triphosphate (ATP). Kreb's Cycle in particular talks about energy production, and the mitochondria is one of the main units where this cycle happens. You can think of ATP as the currency of the body in terms of energy. The more ATP one has, the more energy there is available for use by the different systems of the body. Muscles in particular have high demand for ATP.
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A diploid organism has 10 total chromosomes (2n=10). A cell from this organism has 5 total chromosomes and 10 double-helical DNA
Levart [38]

In metaphase, anaphase and telophase of meiosis 2 before cytokinesis the condition prevails.

<h3><u>Explanation:</u></h3>

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In the cells undergoing the meiotic cell division, the cells at first undergo DNA replication which make the DNA content of each chromosome doubled.

Then through meiosis 1, the cell undergo the reduction division which makes the diploid cell haploid. So here the cell with 10 chromosomes become cell with 5 chromosome. But the DNA content per chromosome remains doubled. This is restored by the second meiosis division where the chromosome becomes divided into chromatids with normal DNA amounts.

So in every steps of meiosis 2, untill the cytokinesis is achieved, the cell remains in the haploid yet double DNA amount condition.

7 0
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Drag and drop each phrase to the projection type it describes.
sammy [17]

Answer:

Mercator Projection:

longitude lines are parallel

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Explanation:

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flammability, corrosion, and explosibility).

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