Describe how cell cycle is regulated

1 answer:

6 0

Through the phosphorylation, Cdks signal the cell that it is ready to pass into the next stage of the cell cycle. As their name suggests, Cyclin-Dependent protein Kinases are dependent on cyclins, another class or regulatory proteins. Cyclins bind to Cdks, activating the Cdks to phosphorylate other molecules.

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Edema occurs when____________

Maksim231197 [3]

Answer:

A) areolar tissue soaks up excess fluid in an inflamed area

Explanation:

Areolar tissue is found around blood vessels, muscles, nerve bundles. Edema which is also a part of inflammation occurs when blood capillaries of blood vessels leak the fluid and is soaked by areolar tissue. So excess fluid in these tissue cause swelling of that part.

Edema is one type of defense reaction to the cell injury. With fluid white blood cells and defense proteins move in the area and counter the infectious agent of injury and helps in eliminating the injurious factor. So the correct answer is A.

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3 years ago

In its role as an antioxidant, _____ guards cell membranes, body proteins, dna, and cholesterol, and thus helps prevent heart di

vodka [1.7K]

Answer:

The answer is Vitamin E or α-tocopherol.

Explanation:

Vitamin E is a fat-soluble vitamin is first absorbed in the small intestine and is then stored at the liver. It is an antioxidant which protects cells from free radicals or reactive oxygen species (ROS). It can also prevent bad cholesterol from depositing in the blood vessels.

Vitamin E can be naturally found in nuts, seeds, and vegetable oils. As a dietary supplement, it takes the form of α-tocopherol. The RDA depends on the age of the person, as it may range from 4 mg to 15 mg per day.

Vitamin E deficiency is so rare that it will only occur if the person has a fat malabsorption illness like Crohn's disease, abetalipoproteinemia, etc. Symptoms of deficiency include muscle weakness, retinal degradation, peripheral neuropathy, and an immunocompromised state.

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3 years ago

While snorkeling you come across an organism that appears to be a mollusk. In an effort to identify the type of mollusk you make

ASHA 777 [7]

Gastropod
Hope this will help you
Hugs ~L

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3 years ago

Match each type of precipitation to the conditions in which it forms.

Ugo [173]

sleet c

frezzing rain b

snow d