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 a mRNA
D
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When the blood level of calcium rises too high, which hormone stimulates osteoblasts to deposit
calcium into bone? a. growth hormone b. thyroid hormone c. calcitonin d. thyroid hormone e. PTH
Plants often do not survive indoors because they lack adequate amounts of (Check all that apply)
A. light. B. carbon dioxide. C. water. D. minerals.
When polymerization of a protein is complete, but a protein is still completely linear, what is the highest level of structure in the protein?
A) primary B) secondary C) tertiary D) quaternary
The eukaryotic chromosome is composed of ____
a. DNA only b. RNA only c. DNA and carbohydrate d. DNA and protein e. RNA and protein