During elongation, a charged tRNA first enters the ribosomal ________ site and then moves into the ________ site

A) A; E
B) P; A
C) P; E
D) A; P
E) E; A


D

Biology & Microbiology

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Which of the following lowers the efficiency of plants' conversion of sunlight into chemical energy?

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Place the three primary cell layers of an embryo in order, from superficial to deep

a. ectoderm ? endoderm ? mesoderm b. ectoderm ? mesoderm ? endoderm c. endoderm ? ectoderm ? mesoderm d. endoderm ? mesoderm ? ectoderm e. mesoderm ? ectoderm ? endoderm

Biology & Microbiology

The building blocks of an enzyme are ________.

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In the neonatal tetanus case study, what was the source of the infection?

A) Honey B) Infected wound C) Nursing D) Hospital E) Clay powder

Biology & Microbiology