Question 1

Examine the following diagram.  
-Which number in the diagram represents the coding strand?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 2

Which of the following is true?

Accepted Answer

A)  We know more about transcription and translation in eukaryotes than about these processes in prokaryotes. 
B)  We know more about transcription and translation in prokaryotes than about these processes in eukaryotes. 
C)  We know the same amount about transcription and translation in prokaryotes eukaryotes. 
D)  The processes of transcription and translation are identical in eukaryotes and prokaryote. 
A)  We know more about transcription and translation in eukaryotes than about these processes in prokaryotes. 
B)  We know more about transcription and translation in prokaryotes than about these processes in eukaryotes. 
C)  We know the same amount about transcription and translation in prokaryotes eukaryotes. 
D)  The processes of transcription and translation are identical in eukaryotes and prokaryote.

Question 3

The following block diagram is a representation of the general cases of the central dogma of molecular biology.   Which of the following correctly assigns a name to the numbered boxes?

Accepted Answer

A)  1- DNA, 2-RNA, 3-Protein 
B)  1-Protein, 2-RNA, 3-DNA 
C)  1-RNA, 2-DNA, 3-Protein 
D)  1-DNA, 2-Protein, 3-RNA 
A)  1- DNA, 2-RNA, 3-Protein 
B)  1-Protein, 2-RNA, 3-DNA 
C)  1-RNA, 2-DNA, 3-Protein 
D)  1-DNA, 2-Protein, 3-RNA

Question 4

Which of the following is true of methionine?

Accepted Answer

A)  It is the C-terminus of all active proteins. 
B)  It is the N-terminus of all active proteins. 
C)  During protein synthesis it is always the C-terminus. 
D)  During protein synthesis it is always the N-terminus. 
A)  It is the C-terminus of all active proteins. 
B)  It is the N-terminus of all active proteins. 
C)  During protein synthesis it is always the C-terminus. 
D)  During protein synthesis it is always the N-terminus.

Question 5

Which of the following is true?

Accepted Answer

A)  mRNA is synthesized in the 3' → 5' direction and the polymerase moves along the DNA template in the 3' → 5' direction. 
B)  mRNA is synthesized in the 5' → 3' direction and the polymerase moves along DNA template in the 5' → 3' direction. 
C)  mRNA is synthesized in the 3' → 5' direction but the polymerase moves along the DNA template in the 5' → 3'direction. 
D)  mRNA is synthesized in the 5' → 3' direction but the polymerase moves along the DNA template in the 3' → 5' direction. 
A)  mRNA is synthesized in the 3' → 5' direction and the polymerase moves along the DNA template in the 3' → 5' direction. 
B)  mRNA is synthesized in the 5' → 3' direction and the polymerase moves along DNA template in the 5' → 3' direction. 
C)  mRNA is synthesized in the 3' → 5' direction but the polymerase moves along the DNA template in the 5' → 3'direction. 
D)  mRNA is synthesized in the 5' → 3' direction but the polymerase moves along the DNA template in the 3' → 5' direction.

Question 6

A defective gene for adenosine deaminase results in which of the following?

Accepted Answer

A)  a buildup of dATP 
B)  buildups of dATP, dCTP, dGTP, and dTTP 
C)  a deficiency of dATP 
D)  deficiencies of dATP, dCTP, dGTP, and dTTP 
A)  a buildup of dATP 
B)  buildups of dATP, dCTP, dGTP, and dTTP 
C)  a deficiency of dATP 
D)  deficiencies of dATP, dCTP, dGTP, and dTTP

Question 7

Which of the following occurs in retroviruses?

Accepted Answer

A)  DNA is replicated in the 3' → 5' direction 
B)  DNA is replicated in the 5' → 3' direction 
C)  DNA is transcribed to RNA 
D)  RNA is transcribed to DNA 
A)  DNA is replicated in the 3' → 5' direction 
B)  DNA is replicated in the 5' → 3' direction 
C)  DNA is transcribed to RNA 
D)  RNA is transcribed to DNA

Question 8

Why is the tumor suppressor protein p53 given that name?

Accepted Answer

A)  It was the 53rd tumor suppressor discovered. 
B)  It is effective against 53 different tumors. 
C)  It has a molar mass of 53,000 grams. 
D)  None of the above is correct. 
A)  It was the 53rd tumor suppressor discovered. 
B)  It is effective against 53 different tumors. 
C)  It has a molar mass of 53,000 grams. 
D)  None of the above is correct.

Question 9

It is now known that there are approximately how many genes in the human genome?

Accepted Answer

A)  10,000 
B)  30,000 
C)  100,000 
D)  1,000,000 
A)  10,000 
B)  30,000 
C)  100,000 
D)  1,000,000

Exam 26: Gene Expression and Protein Synthesis

Examine the following diagram. -Which number in the diagram represents the coding strand?

Which of the following is true?

The following block diagram is a representation of the general cases of the central dogma of molecular biology. Which of the following correctly assigns a name to the numbered boxes?

Which of the following is true of methionine?

Which of the following is true?

A defective gene for adenosine deaminase results in which of the following?

Which of the following occurs in retroviruses?

Why is the tumor suppressor protein p53 given that name?

It is now known that there are approximately how many genes in the human genome?

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