BIOCHEMISTRY
9th Edition
ISBN: 2818440090622
Author: BERG
Publisher: MAC HIGHER
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Question
Chapter 31, Problem 3P
Interpretation Introduction
Interpretation:
The compound initiating the bacterial protein synthesis should be determined.
S-adenosylmethionine tRNA
Methionyl tRNA
N-formyl methionyl tRNA
N10-formyltetrahydrofolate tRNA
Concept introduction:
Protein synthesis (translation) is a process of generating new protein sequences inside the cell. This process takes place in the cytoplasm of the cell. This process is balanced by the degradation or export of cellular proteins. It is constituted of three steps, initiation, elongation, and termination.
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tRNA enzyme. Any given aminoacyl-tRNA synthetase: a. Attaches the amino acid to the 5′-end '5end of the tRNA b. Always recognizes only one specific tRNA c. Recognizes all tRNA molecules d. Forms an ester linkage between the amino acid and the tRNA
Be sure to answer all parts.
Write a possible mRNA sequence that codes for each peptide.
a. His-Cys-Tyr-Val-Ser
5¹-
b. Phe-Val-Thr-Tyr-Glu
5'-
5'-
c. Trp-Phe-Asn-Gln
-3'
U
-3'
с
Table 26.2 The Genetic Code-Triplets in Messenger RNA
First Base
(5' end)
-3'
U
UUU
UUC
UUA
UUG
CUU
CUC
CUA
CUG
AUL
Phe
Phe
Leu
Leu
Leu
Leu
Leu
Leu
la
C
UCU
UCC
UCA
UCG
CCU
CCC
CCA
CCG
Second Base
A
UAU
UAC
UAA
UAG
CAU
CAC
CAA
CAG
Ser
Ser
Ser
Ser
Pro
Pro
Pro
Pro
Tyr
55
Tyr
Stop
Stop
His
His
Gin
Gin
G
UGU
UGC
UGA
UGG
CGU
CGC
CGA
CGG
Cys
Cys
Stop
Trp
Arg
Arg
Arg
Arg
Third Base
(3¹ ond)
DUAC DU AG
с
А
А
Please help with this as soon as you can, thank you.
Chapter 31 Solutions
BIOCHEMISTRY
Ch. 31 - Prob. 1PCh. 31 - Prob. 2PCh. 31 - Prob. 3PCh. 31 - Prob. 4PCh. 31 - Prob. 5PCh. 31 - Prob. 6PCh. 31 - Prob. 7PCh. 31 - Prob. 8PCh. 31 - Prob. 9PCh. 31 - Prob. 10P
Ch. 31 - Prob. 11PCh. 31 - Prob. 12PCh. 31 - Prob. 13PCh. 31 - Prob. 14PCh. 31 - Prob. 15PCh. 31 - Prob. 16PCh. 31 - Prob. 17PCh. 31 - Prob. 18PCh. 31 - Prob. 19PCh. 31 - Prob. 20PCh. 31 - Prob. 21PCh. 31 - Prob. 22PCh. 31 - Prob. 23PCh. 31 - Prob. 24PCh. 31 - Prob. 25PCh. 31 - Prob. 26PCh. 31 - Prob. 27PCh. 31 - Prob. 28PCh. 31 - Prob. 29PCh. 31 - Prob. 30PCh. 31 - Prob. 31PCh. 31 - Prob. 32PCh. 31 - Prob. 33PCh. 31 - Prob. 34PCh. 31 - Prob. 35PCh. 31 - Prob. 36PCh. 31 - Prob. 37PCh. 31 - Prob. 38PCh. 31 - Prob. 39PCh. 31 - Prob. 40PCh. 31 - Prob. 41PCh. 31 - Prob. 42PCh. 31 - Prob. 43PCh. 31 - Prob. 44PCh. 31 - Prob. 45PCh. 31 - Prob. 46PCh. 31 - Prob. 47PCh. 31 - Prob. 48PCh. 31 - Prob. 49PCh. 31 - Prob. 50PCh. 31 - Prob. 51PCh. 31 - Prob. 52P
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- Please ASAP. Thank youarrow_forward10. A portion of 5'-AUGCCACGAGUUGAC-3'. What amino acid sequence does this code for? To answer the question please: I) explain what is the genetic code and list the properties of the genetic e 2) draw a diagram of protein synthesis; 3) determine which tRNA should be attached to the mRNA; 4) what is the anticodon for the very first tRNA that will attach to mRNA? mRNA molecule has the sequence anarrow_forwardA cluster of ribosomes. In a polysome, or polyribosome, the polypeptides associated with which ribosomes will be the longest: a. They will be the same length since the rate of translation is constant. b. Those at the 3'-end3'-end of the mRNA. c. Those at the 5'-end5'-end of the MRNA. d. Those in the middle of the mRNA.arrow_forward
- Please ASAP. Thank youarrow_forwardNo options are there.Fill up blanks by your knowledge.arrow_forwardproteins. Which of the following will tell you whether a protein would be found in the lumen of the ER? A. You run a hydropathy plot an look for hydrophobic peaks that span 20-30 amino acids B. You isolate microsomes and see whether the proteins are inserted into the membrane of the microsome C. You run a hydropathy plot an look for a lack of hydrophobic peaks that span 20-30 amino acids O D. You do in vitro translation of each protein in the presence or absence of microsomes and look to see whether there is a size change in the presence of microsomes.arrow_forward
- An extra piece. In one type of mutation leading to a form of thalassemia, the mutation of a single base (G to A) generates a new 3' 3' splice site (blue in the illustration below) akin to the normal one (yellow) but farther upstream. Normal 3' end of intron 5' CCTATTGGTCTATTITCCACCCITAGGCTGCTG 3' 5' CCTATTAGTCTAIIIICCACCCTTAGGCTGCTG 3' What is the amino acid sequence of the extra segment of protein synthesized in a thalassemic patient having a mutation leading to aberrant splicing? The reading frame after the splice site begins with TCT.arrow_forwardNeed answeres here. Thank you.arrow_forwardTranslation. Write the anti-codon sequence of the MRNA transcript. Translate the MRNA transcript into peptide sequence using both the 3 letter abbreviation and 1 letter abbreviation. ANTI-CODON 3' 5' SEQUENCE AMINO ACID N- C- SEQUENCE (3 letter terminus Abbreviation) Terminus AMINO ACID N- C- SEQUENCE (1 letter terminus Abbreviation) Terminusarrow_forward
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