Once the amino acid on the second tRNA bonds with the amino acid of the first tRNA, what happens to that first
tRNA?
a. it remains attached to the rRNA
b. it moves into the nucleus to get more instructions from mRNA
c. it breaks down into its component nucleotides
d. it leaves the ribosome and may pick up another amino acid
e. it transforms into an mRNA molecule
ANSWER: d
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A) creating transgenic organisms. B) creating bacteria that synthesized human insulin. C) extracting and using biochemicals from microorganisms. D) using yeast to ferment fruit into wine.
Conservation biologists try to protect or create habitats for endangered species. How would this directly affect the equation G = rN(K – N)/K for an endangered animal?
A. It would lower N. B. It would raise r. C. It would raise K. D. It would raise N. E. It would lower K.
Cloning vectors generally possess unique restriction sites and dominant selectable markers
Indicate whether the statement is true or false
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A. Na+/K+ channel B. Na+/K+ pump C. Na+ symporter D. voltage-gated Na+ channel