During elongation, a charged t-RNA 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
Answer: D
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Indicate whether the statement is true or false.
Which of the following is the gene from which bacteria has been introduced into many plant genomes to confer the ability to produce toxic crystals that kill many insects?
a. Agrobacterium tumefaciens b. E. coli c. Y. pestis d. Bacillus thuringiensis
The fact that the radioactive sulfur stayed with the virus component in this experiment showed that _____
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