Binding of the appropriate aminoacyl-tRNA to the A site requires:a
no energy input.
b. energy supplied by two ATP molecules.
c. energy supplied by GTP.
d. activation of the A site.
e. phosphorylation of the tRNA molecule
c
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If real-time polymerase chain reaction (PCR) is performed on a Bordetella isolate, then it must be noted that this type of swab is unacceptable for collection because of the presence of which of the following inhibitory factors?
a. Dacron b. Cotton c. Rayon d. Calcium alginate
Which of the following separates the DNA strands during replication?
A) helicase B) DNA polymerase II C) ligase D) DNA polymerase I E) primase
Which of the following is an example of a parasitic fungal disease?
A) Athlete's foot B) Herpes C) Trichinosis D) Sleeping sickness E) Malaria
Approximately 1 out of every 2,500 Caucasians in the United States is born with the recessive disease cystic fibrosis. According to the Hardy-Weinberg equilibrium equation, approximately what percentage of people are carriers?
a. 2% b. 4% c. 96% d. 10% e. 0.08%