2025 WITH MULTIPLE CHOICE OF QUESTIONS
AND DETAILED CORRECT SOLUTIONS
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The a helix of proteins is- - CORRECT ANSWER-stabilized by
hydrogen bonds and commonly found in fibrous proteins
B pleated sheets are characterized by- - CORRECT ANSWER-Folds
stabilized by hydrogen bonds between segments of the
polypeptide backbone
Cows can derive nutrients from cellulose because- - CORRECT
ANSWER-one of their stomachs contains bacteria that can
hydrolyze the bonds of cellulose
Which of these molecules would provide the most energy
(kal/g) when eaten? - CORRECT ANSWER-Fat
What determines the sequence of the amino acids in a
particular protein? - CORRECT ANSWER-The sequences of
nucleotides in the gene for that protein
, Covalent bonds between the sugar of one nucleotide and the
phosphate of the next - CORRECT ANSWER-phosphodiester
Monkeys and humans share many of the same DNA sequence
and have similar proteins, indicating that- - CORRECT ANSWER-The
two groups share a relatively recent common ancestor
Which of the following would be the major component of the
cell membrane of a fungus? - CORRECT ANSWER-Phospholipids
Which of the following is not a function preformed by proteins?
- CORRECT ANSWER-Primary component of all cell membranes
5' and 3' end of DNA - CORRECT ANSWER-Means that the phosphate
is attached to that number carbon ring
4 bases of DNA and what connects to what? - CORRECT ANSWER-
Adenine and Guanine
Cytosine and Uracil
Organic Compounds of enzymes - CORRECT ANSWER-Proteins
Monomer, polymer, - CORRECT ANSWER-know these relations
What molecule is a steroid? Why? - CORRECT ANSWER-Lipid
because they don't dissolve in water
Molecules that would combine to form a fat - CORRECT ANSWER-
Glycerol and Fatty Acid