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Question
Each of the following statements regarding ways in which eukaryotic protein synthesis differs from prokaryotic protein synthesis is true EXCEPT:a. prokaryote protein synthesis is initiated by f-Met, while eukaryotic is initiated by Met
b. prokaryotes use a 30S small ribosomal subunit, while eukaryotes use a 40S small ribosomal subunit
c. prokaryotic and eukaryotic translation initiation differ significantly in mechanism and process
d. prokaryotic termination involves three release factors, while eukaryotic termination involves one
e. all of the above are true statements
Answer
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Related questions
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b. Hsp90; un-; chaperonin
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d. Hsp40; partially; Hsp70
e. Hsp60; partially; Hsp40
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Which of the following is responsible for Alzheimer's disease?
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Q:
In a class I aminoacyl-tRNA synthetase, which of the following reacts with the acyl phosphate formed during the reaction of ATP with the amino acid?a. 5'-hydroxyl of the nucleotide on the 5' end of the tRNA moleculeb. 3'-hydroxyl of the nucleotide on the 5' end of the tRNA moleculec. 2'-hydroxyl of the nucleotide on the 5' end of the tRNA moleculed. 3'-hydroxyl of the nucleotide on the 3' end of the tRNA moleculee. 2'-hydroxyl of the nucleotide on the 3' end of the tRNA molecule
Q:
Ribosome:mRNA:P-site tRNA complex, with the help of ____, is disassembled by ____ which is an excellent molecular mimic of a(n) ____.
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Q:
Termination of translation in prokaryotic cells requires:
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Q:
Which of the following does not reqire GTP hydrolysis?
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b. the binding of the aminoacyl tRNA to the A site during elongation
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Q:
Which of the following statements is true regarding the formylmethionine that serves as the first amino acid in bacterial protein synthesis?
a. the formyl group is removed during protein synthesis leaving methionine as the first residue in all bacterial proteins
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Q:
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b. suppressor; nonsense
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Q:
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Q:
Transcription of a typical gene encoding a polypeptide in eukaryotes involves all of the following EXCEPT:
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Q:
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All are correct about enhancer sequences in eukaryotic cells EXCEPT:
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All are characteristics of catabolic activator protein (CAP) EXCEPT:
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Q:
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Q:
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e. none of the above
Q:
Which of the following statements explains why the adenine analog, 2-aminopurine (2-AP), can cause mutations in DNA when it is inserted in place of a site normally occupied by A?
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Q:
Misincorporation of all subsequent amino acids results from ____ mutations.
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Q:
Mutations in DNA may result from all of the following EXCEPT:
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b. physical insults on the cell, such as UV light.
c. errors in transcription.
d. chemical mutagens.
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Q:
A transition mutation would be replacing A by:
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b. C.
c. U.
d. G.
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Q:
____ promotes the formation of covalent bonds between ____ thymine residues in a DNA strand creating a ____ ring called a thymidine dimer.
a. Visible light; adjacent; cyclohexyl
b. Visible light; nearby; cyclobutyl
c. UV light; adjacent; cyclobutyl
d. UV light; nearby; cyclohexyl
e. IR light; adjacent; cyclobutyl