QUESTION 24 alpha-helix structure: are stabilized by hydrogen bonding between the R-groups of the two odjutant amino acids Ob are favored by amino acid sequences that contain the repeating pattern, Gly-Ala-Gly are stabilized by hydrogen bonding between carbonyl and amide groups of the main chain Od are a form of quaternary structure Oe. are composed of only 2-5 amino acids that must be of the opposite polarity
QUESTION 24 alpha-helix structure: are stabilized by hydrogen bonding between the R-groups of the two odjutant amino acids Ob are favored by amino acid sequences that contain the repeating pattern, Gly-Ala-Gly are stabilized by hydrogen bonding between carbonyl and amide groups of the main chain Od are a form of quaternary structure Oe. are composed of only 2-5 amino acids that must be of the opposite polarity
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Question 24
Transcribed Image Text:QUESTION 24
alpha-helix structure:
O a. are stabilized by hydrogen bonding between the R-groups of the two adjutant amino acids
Ob. are favored by amino acid sequences that contain the repeating pattern, Gly-Ala-Gly
OC are stabilized by hydrogen bonding between carbonyl and amide groups of the main chain
Od. are a form of quaternary structure
Oe.
are composed of only 2-5 amino acids that must be of the opposite polarity
QUESTION 25
Which bond in a polypeptide chain has partial double bond character? (C' = carbonyl carbon)
O ca-H
O c-c
ON-Ca
O Co-C
O c-N
QUESTION 26
Consider the following properties of the listed proteins A, B and C.
Protein
pl
Affinity
for glucose
Yes
No
No
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The α helix is stabilized by hydrogen bonds between an amide hydrogen of one amino acid and a carbonyl oxygen four amino acids away
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