39. Arrange the following amino acid according to decreasing non-polarity (left to right). 1- leucine 2- phenylalanine 3- valine 4- alanine A. 1→3→4→2 B. 4→3→2→1 C. 3→2→1→4 D. 2→1-3→4 40. A polypeptide with a net positive charge at physiologic pH (~7.4) most likely contains amino acids with R groups of wh type? A. Aliphatic R groups B. Aromatic R groups C. Basic R groups D. Acidic R groups E. All the above

Biochemistry
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Chapter1: Biochemistry: An Evolving Science
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12.1

39. Arrange the following amino acid according to decreasing non-polarity (left to right).
1- leucine
2- phenylalanine
3- valine
4- alanine
A. 1>3→4->2
B. 4→3-2→1
C. 3 2 1→4
D. 2 1 3→4
40. A polypeptide with a net positive charge at physiologic pH (~7.4) most likely contains amino acids with R groups of wha
type?
A. Aliphatic R groups
B.
Aromatic R groups
Basic R groups
С.
D. Acidic R groups
E. All the above
Transcribed Image Text:39. Arrange the following amino acid according to decreasing non-polarity (left to right). 1- leucine 2- phenylalanine 3- valine 4- alanine A. 1>3→4->2 B. 4→3-2→1 C. 3 2 1→4 D. 2 1 3→4 40. A polypeptide with a net positive charge at physiologic pH (~7.4) most likely contains amino acids with R groups of wha type? A. Aliphatic R groups B. Aromatic R groups Basic R groups С. D. Acidic R groups E. All the above
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