Once a peptide has been formed between the amino acid attached to the tRNA in the P site and the amino acid associated with the tRNA in the A site, what occurs next?
A) translocation
B) reading of the next codon of mRNA
C) initiation
D) The codon-anticodon hydrogen bonds holding the tRNA in the A site are broken.
Answer: A
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According to scientific evidence, early life
could NOT form or persist in the presence of
a. methane gas. b. hydrogen gas. c. oxygen gas. d. water vapor. e. carbon dioxide
Fossilized remains of humans and their immediate ancestors are found:a
only in rock formed from volcanoes. b. only in relatively young rock. c. in any rock from areas inhabited by humans. d. only in rock from the Precambrian times. e. only in relatively old rock
Which statement about sperm entry is TRUE?
a. The fertilization cone formed by microvilli of the egg membrane contracts and draws the sperm inward. b. The egg phagocytizes the acrosome of the sperm so it can enter the cell.
c. The cilia on the egg membrane beat and sweep the sperm inside. d. The sperm releases calcium ions, which make the egg membrane permeable to its entry. e. The egg secretes bindin protein, which allows sperm penetration.
Translate the correct answer from the above question into tRNA.
A. CCA - TAT - TCG B. CCA - UAU - UCG C. GGU - AUA - AGC D. GGT - ATA - AGC