Proteins are three dimensional molecules made of strands of amino acids (imagine a ball of string). There are 20 different amino acids used in proteins found in living organisms. Some of these amino acids are polar and others are non-polar. Where would a series of non-polar amino acids most likely be located in a protein that is found in the cytosol of an animal cell?
A. On the surface of the protein
B. In the interior of the protein
C. At the very top of the protein
D. At the very bottom of the protein
B
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or other organisms. What will be an ideal response?
Nutrient-rich blood from the intestines flows directly to
A. the heart. B. all of the body's tissues. C. the liver. D. the kidneys.
Messenger RNA editing is an example of gene expression at the _________ level.
a) preternatural b) post-translational c) post-transcriptional d) translational e) transcriptional