What is the function of the cholesterol molecules in a cell membrane?

1 answer:

5 0

cholesterol in the cell membrane is to maintain stability, anchor other molecules, and keep the membrane fluid in cold temperatures.

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IN____________ NUTRITION , THE ORGANISMS DEPEND UPON ITS HOST FOR ITS FOOD .

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Answer:

heterotrophic nutrition!!

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What data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries?

ioda

Who all had the surgery, how many people the surgery helped, an how many the surgery did not help.

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I need help with the question 3

LenaWriter [7]

Answer:

The correct answer is C in presence of oxygen production of acetyl CoA,TCA cycle and electron transport chain occur in a proper order.Whether in absence of oxygen lactic acid fermentation or alcoholic fermentation occurs.

Explanation:

Aerobic respiration occur in presence of oxygen which involves glycolysis,TCA cycle and electron transport chain.Aerobic respiration result in the catabolism of glucose to generate CO2,H2O and ATP.

But in absence of oxygen or during anaerobic condition pyruvic acid is converted to either lactic acid by pyruvate dehydrogenase or to ethanol through alcoholic fermentation.

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Hormones are proteins that regulate many functions in the body, such as growth and cell differentiation. Which of the following

Brrunno [24]

Answer Options:

Proteins store energy long term, provide lubrication, and insulate the body
Proteins in the form of enzymes catalyze chemical reactions
Proteins provide structures in the body, such as hair and muscles
Proteins in the cell membrane help transport substances into and out of cells

Answer:

Proteins store energy long term, provide lubrication, and insulate the body

Explanation:

Proteins store energy long term, provide lubrication, and insulate the body - this is false, this describes the role of fats.
Proteins in the form of enzymes catalyze chemical reactions - this is true, enzymes are an important class of proteins in the body
Proteins provide structures in the body, such as hair and muscles - this is true, for example our hair is made of a protein called keratin
Proteins in the cell membrane help transport substances into and out of cells - this is true, proteins form important pumps and channels in the cell membrane

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Improvements in health care, but if there were more options i would pick other ones

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