As a ribosome translocates along an mrna molecule by one codon, which of the following occurs? a. the polypeptide enters the e site. b. the trna that was in the a site departs from the ribosome via a tunnel. c. the trna that was in the p site moves into the a site. d. the trna that was in the a site moves to the e site and is released. e. the trna that was in the a site moves into the p site.
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Biology, 22.06.2019 05:50
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
Answers: 2
Biology, 22.06.2019 08:30
Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.
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Biology, 22.06.2019 09:00
What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.
Answers: 2
Biology, 22.06.2019 23:30
How do light years astronomers to determine the ages of distant objects in space ?
Answers: 1
As a ribosome translocates along an mrna molecule by one codon, which of the following occurs? a. t...
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