BIOCHEMISTRY (LL)
9th Edition
ISBN: 9781337805100
Author: Campbell
Publisher: CENGAGE L
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Textbook Question
Chapter 18, Problem 53RE
REFLECT AND APPLY Suggest a reason why a different reducing agent (NADPH) is used in anabolic reactions rather than NADH, which plays a role in catabolic ones.
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f. The genetic code is given below, along with a short strand of template DNA. Write the
protein segment that would form from this DNA.
5'-A-T-G-G-C-T-A-G-G-T-A-A-C-C-T-G-C-A-T-T-A-G-3'
Table 4.5 The genetic code
First Position
Second Position
(5' end)
U
C
A
G
Third Position
(3' end)
Phe
Ser
Tyr
Cys
U
Phe
Ser
Tyr
Cys
Leu
Ser
Stop
Stop
Leu
Ser
Stop
Trp
UCAG
Leu
Pro
His
Arg
His
Arg
C
Leu
Pro
Gln
Arg
Pro
Leu
Gin
Arg
Pro
Leu
Ser
Asn
Thr
lle
Ser
Asn
Thr
lle
Arg
A
Thr
Lys
UCAG
UCAC
G
lle
Arg
Thr
Lys
Met
Gly
Asp
Ala
Val
Gly
Asp
Ala
Val
Gly
G
Glu
Ala
UCAC
Val
Gly
Glu
Ala
Val
Note: This table identifies the amino acid encoded by each triplet. For example, the codon 5'-AUG-3'
on mRNA specifies methionine, whereas CAU specifies histidine. UAA, UAG, and UGA are termination
signals. AUG is part of the initiation signal, in addition to coding for internal methionine residues.
Table 4.5
Biochemistry, Seventh Edition
2012 W. H. Freeman and Company
B
eviation:
does it play
abbreviation:
Answer all of the questions please draw structures for major product
Chapter 18 Solutions
BIOCHEMISTRY (LL)
Ch. 18 - RECALL Why is it essential that the mechanisms...Ch. 18 - RECALL How does phosphorolysis differ from...Ch. 18 - RECALL Why is it advantageous that breakdown of...Ch. 18 - RECALL Briefly outline the role of UDPG in...Ch. 18 - RECALL Name two control mechanisms that play a...Ch. 18 - REFLECT AND APPLY Does the net gain of ATP in...Ch. 18 - REFLECT AND APPLY In metabolism,...Ch. 18 - Prob. 8RECh. 18 - BIOCHEMICAL CONNECTIONS You are planning to go on...Ch. 18 - BIOCHEMICAL CONNECTIONS Would eating candy bars,...
Ch. 18 - Prob. 11RECh. 18 - Prob. 12RECh. 18 - REFLECT AND APPLY A researcher claims to have...Ch. 18 - REFLECT AND APPLY What is the source of the energy...Ch. 18 - Prob. 15RECh. 18 - Prob. 16RECh. 18 - Prob. 17RECh. 18 - Prob. 18RECh. 18 - Prob. 19RECh. 18 - RECALL What reactions in this chapter require...Ch. 18 - RECALL Which steps of glycolysis are irreversible?...Ch. 18 - RECALL What is the role of biotin in...Ch. 18 - RECALL How does the role of glucose-6-phosphate in...Ch. 18 - REFLECT AND APPLY Avidin, a protein found in egg...Ch. 18 - REFLECT AND APPLY How does the hydrolysis of...Ch. 18 - Prob. 26RECh. 18 - Prob. 27RECh. 18 - Prob. 28RECh. 18 - Prob. 29RECh. 18 - Prob. 30RECh. 18 - Prob. 31RECh. 18 - REFLECT AND APPLY How can different time scales...Ch. 18 - REFLECT AND APPLY How do the control mechanisms in...Ch. 18 - Prob. 34RECh. 18 - Prob. 35RECh. 18 - Prob. 36RECh. 18 - REFLECT AND APPLY How can the synthesis and...Ch. 18 - REFLECT AND APPLY How is it advantageous for...Ch. 18 - Prob. 39RECh. 18 - Prob. 40RECh. 18 - Prob. 41RECh. 18 - Prob. 42RECh. 18 - RECALL What roles do glucagon and epinephrine play...Ch. 18 - Prob. 44RECh. 18 - RECALL List three differences in structure or...Ch. 18 - RECALL What are four possible metabolic fates of...Ch. 18 - BIOCHEMICAL CONNECTIONS What is the connection...Ch. 18 - Prob. 48RECh. 18 - RECALL What is a major difference between...Ch. 18 - Prob. 50RECh. 18 - Prob. 51RECh. 18 - Prob. 52RECh. 18 - REFLECT AND APPLY Suggest a reason why a different...Ch. 18 - REFLECT AND APPLY Explain how the pentose...Ch. 18 - REFLECT AND APPLY Why is it reasonable to expect...Ch. 18 - REFLECT AND APPLY How would it affect the...
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