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Mumz [18]
1 year ago
5

A researcher is evaluating the expression of p53 in cells she is culturing in the laboratory. She notices that in a small group

of cells, high levels of phosphorylated p53 occur in the nuclei. What can she deduce about these cells?
Biology
1 answer:
spin [16.1K]1 year ago
7 0

Answer:

p53 gene is an important gene that regulates the proper functioning of the cell. This gene plays an important role in the cell cycle progression and acts as genome guardian.

Any mutation in p53 leads to the formation of the different types of cancer cells. The p53 gene is activated by teh phosphorylation at the particular sites.  High levels of phosphorylated p53 in the cell indicates that the cells DNA is highly damaged and mutated.

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Answer:

The correct answers are: B) Catalase works best at human body temperature, C) Normal human body temperature is 98.6°F, which equals 37°C.

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Catalase is an enzyme found in our bodies that has the important task of <u>breaking down hydrogen peroxide</u>, a molecule that is very toxic. For catalase to work at its optimus speed, it need the body to have a temperature of 37° celsius -98.6°F-, which is what we normally call <em>human body temperature</em>. If the temperature rises or falls below body temperature, catalase will still work but at a much slower rate, until it stops working completely.

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