In all organisms except prokaryotes, an important role of sterols is to:
A) serve as storage forms of energy.
B) prevent water loss.
C) catalyze chemical reactions.
D) provide strength to the cell wall.
E) stabilize the phospholipid tails in cell membranes.
Correct Answer:
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Q23: Which of the following statements about secondary
Q24: The monomers of nucleic acids are:
A)DNA and
Q25: The _ structure of a protein involves
Q26: Adenosine triphosphate is a type of:
A)fatty acid.
B)amino
Q27: Which of the following is a primary
Q29: The most water-repellant of the lipids are:
A)steroids
B)waxes
C)celluloses
D)suberins
E)cutins
Q30: When a polypeptide undergoes hydrolysis, the products
Q31: A peptide bond occurs between the _
Q32: The linear sequence of amino acids is
Q33: How many different kinds of amino acids
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