Most of the energy required to form the peptide bonds during elongation comes from _____

a. ATP
b. CTP
c. GTP
d. TTP
e. whichever nucleotide is at the front of the codon


ANSWER: c

Biology & Microbiology

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Which two components of blood involve the formation of clots?

a. albumin and fibrinogen b. albumin and leukocytes c. fibrinogen and erythrocytes d. fibrinogen and platelets e. platelets and albumin

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In the diagram below, the gray unit represents _____. The figure shows a blue molecule arranged in the form of a double chain. The gray unit on this figure represents an oval structure which contains unwound and unpaired chains of this molecule. Before and after this unit, the molecule is wound in the form of a double helix. A green unit represents a part of the double helix before the gray unit.

a. RNA b. DNA c. transcription factors d. RNA polymerase e. the promoter

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When a polypeptide is being assembled, the bond that forms between a newly added amino acid and the previous amino acid in the chain is this type of bond.

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Biology & Microbiology