The R-group, or the side chain, of the amino acid serine is -CH2-OH. The R-group, or side chain, of the amino acid leucine is -CH2-CH-(CH3)2. Where would you expect to find these amino acids in a globular protein in aqueous solution?
A) Serine and Leucine would both be on the exterior of the globular protein.
B) Leucine would be in the interior, and Serine would be on the exterior of the globular protein.
C) Serine would be in the interior, and Leucine would be on the exterior of the globular protein.
D) Serine and Leucine would both be on the interior of the globular protein.
Answer: B) Leucine would be in the interior, and Serine would be on the exterior of the globular protein
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