BIOCHEMISTRY W/1 TERM ACHEIVE ACCESS
9th Edition
ISBN: 9781319425746
Author: BERG
Publisher: MAC HIGHER
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Question
Chapter 2, Problem 8P
Interpretation Introduction
Interpretation:
The number of polypeptides containing 50 amino acids needs to be determined using 20 common amino acids.
Concept introduction:
Amino acids are organic compounds containing amino as well as
Here, R group is different for different amino acids. This group can be acidic, basic or neutral.
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Identify. Examine the following four amino acids (A-D):
Co0
"H,N-
CH
"H,N
CH
"H;N-CH
"H,N
CH
CH2
CH2
CH,
CH
CH2
CH3
CH,
CH2
OH
NH,"
B
D
What are their names, three-letter abbreviations, and one-letter
symbols?
7 Protein structure.Circle one of the three amino acid sequences that is most likely to
form a stable a-helix?
RASKTARQ
DASKTAEQ
KPGKPAGQ
In one sentence (that can be accompanied by a small picture) explain why?
cotton. Which aspect of the structure of cellulose accounts for its strength?
Cellulose is an abundant structural polysaccharide found in plant cell walls, wood, and
interchain hydrogen bonding between extended molecular chains
repeating unit of N-acetylglucosamine
a(1→4) linkages between glucose units
branches that occur every 12-30 residues
forms a helical conformation in water
Which of the following is not correct about chitin?
fundamental constituent of the exoskeletons of crustaceans, insects, and spiders
b)
chitin chains form extended ribbons that pack side-by side
a)
similar to cellulose but with repeating units of N-acetyl-D-glucosamine
c)
d)
found mainly in the liver in humans, making up as much as 10% of liver mass
stacked sheets of chitin strands are stabilized by intrastrand, interstrand, and
intersheet hydrogen bonds
Chapter 2 Solutions
BIOCHEMISTRY W/1 TERM ACHEIVE ACCESS
Ch. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Prob. 9PCh. 2 - Prob. 10P
Ch. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17PCh. 2 - Prob. 18PCh. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Prob. 24PCh. 2 - Prob. 25PCh. 2 - Prob. 26PCh. 2 - Prob. 27PCh. 2 - Prob. 28PCh. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - Prob. 31PCh. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - Prob. 35PCh. 2 - Prob. 36PCh. 2 - Prob. 37P
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