Question 1

Which of the following is not directly required for chain elongation during translation?

Accepted Answer

A)  Ef-Tu 
B)  A site on the ribosome 
C)  GTP 
D)  IF2 
E)  All of these are required 
A)  Ef-Tu 
B)  A site on the ribosome 
C)  GTP 
D)  IF2 
E)  All of these are required

Question 2

Which of the following is a difference in the process of initiation of translation between prokaryotes and eukaryotes? 1.The amino group of the methionine on the initiator tRNA is not formylated in eukaryotes as it is in prokaryotes.
2)The initiation complex forms at the 5¢ terminus of the mRNA,not at the Shine-Dalgarno/AUG translation start site as in prokaryotes.
3)The process takes place at the ribosome in prokaryotes but not in eukaryotes.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  1 and 3 
E)  All of these 
A)  1 
B)  2 
C)  3 
D)  1 and 3 
E)  All of these

Question 3

The association of two or more polypeptides in a multimeric protein is know as the:

Accepted Answer

A)  Primary structure 
B)  Secondary structure 
C)  Tertiary structure 
D)  Quaternary structure 
E)  None of these 
A)  Primary structure 
B)  Secondary structure 
C)  Tertiary structure 
D)  Quaternary structure 
E)  None of these

Question 4

Explain the Wobble hypothesis and discuss the predictions based upon this hypothesis that have proven true.

Accepted Answer

The hydrogen bonding between the bases i

Question 5

Which type(s)of RNA molecules are involved in the translation process?

Accepted Answer

A)  mRNA 
B)  tRNA 
C)  rRNA 
D)  mRNA and tRNA 
E)  All of these 
A)  mRNA 
B)  tRNA 
C)  rRNA 
D)  mRNA and tRNA 
E)  All of these

Question 6

Which of the following is a secondary structure often observed in proteins?

Accepted Answer

A)    helix 
B)    sheet 
C)   subunit 
D)    helix and   sheet 
E)  All of these 
A)    helix 
B)    sheet 
C)   subunit 
D)    helix and   sheet 
E)  All of these

Question 7

Most amino acids are specified by two to four different codons.This means that the genetic code is:

Accepted Answer

A)  Non-overlapping 
B)  Degenerate 
C)  Ordered 
D)  Non-degenerate 
E)  Universal 
A)  Non-overlapping 
B)  Degenerate 
C)  Ordered 
D)  Non-degenerate 
E)  Universal

Question 8

Which set of enzymes is responsible for attaching the correct amino acid to an appropriate tRNA molecule during the charging process?

Accepted Answer

A)  RNA gyrases 
B)  RNA polymerases 
C)  Amino-acyl transacetylases 
D)  Aminoacyl tRNA synthetases 
E)  All of these 
A)  RNA gyrases 
B)  RNA polymerases 
C)  Amino-acyl transacetylases 
D)  Aminoacyl tRNA synthetases 
E)  All of these

Question 9

Explain how chain termination occurs during translation,including the differences between chain termination in prokaryotes and eukaryotes.

Accepted Answer

Polypeptide chain elongation undergoes t

Question 10

The initiation complex moves in which direction along the mRNA molecule?

Accepted Answer

A)  5' ® 3' 
B)  3' ® 5' 
C)  1'® 4' 
D)  5' ® 3' and 3' ® 5' 
E)  None of these 
A)  5' ® 3' 
B)  3' ® 5' 
C)  1'® 4' 
D)  5' ® 3' and 3' ® 5' 
E)  None of these

Which of the following is not directly required for chain elongation during translation?

The association of two or more polypeptides in a multimeric protein is know as the:

Explain the Wobble hypothesis and discuss the predictions based upon this hypothesis that have proven true.

Which type(s)of RNA molecules are involved in the translation process?

Which of the following is a secondary structure often observed in proteins?

Most amino acids are specified by two to four different codons.This means that the genetic code is:

Which set of enzymes is responsible for attaching the correct amino acid to an appropriate tRNA molecule during the charging process?

Explain how chain termination occurs during translation,including the differences between chain termination in prokaryotes and eukaryotes.

The initiation complex moves in which direction along the mRNA molecule?

The Science Of Genetics

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Extensions Of Mendelism

The Chromosomal Basis Of Mendelism

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DNA And The Molecular Structure Of Chromosomes

Replication Of DNA And Chromosomes

Transcription And RNA Processing

Mutation,DNA Repair,And Recombination

The Techniques Of Molecular Genetics

Genomics

Applications Of Molecular Genetics

Transposable Genetics Elements

Regulation Of Gene Expression In Prokaryotes

Regulation Of Gene Expression In Eukaryotes

The Genetic Control Of Animal Development

The Genetic Basis Of Cancer

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Exam 12: Translation And The Genetic Code

Which of the following is not directly required for chain elongation during translation?

The association of two or more polypeptides in a multimeric protein is know as the:

Explain the Wobble hypothesis and discuss the predictions based upon this hypothesis that have proven true.

Which type(s)of RNA molecules are involved in the translation process?

Which of the following is a secondary structure often observed in proteins?

Most amino acids are specified by two to four different codons.This means that the genetic code is:

Which set of enzymes is responsible for attaching the correct amino acid to an appropriate tRNA molecule during the charging process?

Explain how chain termination occurs during translation,including the differences between chain termination in prokaryotes and eukaryotes.

The initiation complex moves in which direction along the mRNA molecule?

The Science Of Genetics

Cellular Reproduction

Mendelism The Basic Principles Of Inheritance

Extensions Of Mendelism

The Chromosomal Basis Of Mendelism

Variation In Chromosome Number And Structure

Linkage,Crossing Over,And Chromosome Mapping In …

The Genetics Of Bacteria And Their Viruses

DNA And The Molecular Structure Of Chromosomes

Replication Of DNA And Chromosomes

Transcription And RNA Processing

Mutation,DNA Repair,And Recombination

The Techniques Of Molecular Genetics

Genomics

Applications Of Molecular Genetics

Transposable Genetics Elements

Regulation Of Gene Expression In Prokaryotes

Regulation Of Gene Expression In Eukaryotes

The Genetic Control Of Animal Development

The Genetic Basis Of Cancer

Inheritance Of Complex Traits

Population Genetics

Evolutionary Genetics

Filters