Question 1

The complementary base that hydrogen bonds with thymine in a DNA double helix is ________.

Accepted Answer

A)  uracil 
B)  thymine 
C)  guanine 
D)  adenine 
E)  cytosine 
A)  uracil 
B)  thymine 
C)  guanine 
D)  adenine 
E)  cytosine

Question 2

________ is the enzyme that copies DNA during DNA replication. Thermostabile forms of this enzyme are essential for PCR.

Accepted Answer

A)  RNA polymerase 
B)  DNA ligase 
C)  DNA polymerase 
D)  RNA primase 
E)  DNA helicase 
A)  RNA polymerase 
B)  DNA ligase 
C)  DNA polymerase 
D)  RNA primase 
E)  DNA helicase

Question 3

Which of the following is a structural feature of DNA but not RNA?

Accepted Answer

A)  Single-stranded 
B)  Containing the nitrogenous base adenine 
C)  Containing phosphate groups 
D)  Containing deoxyribose sugars 
E)  Containing the nitrogenous base uracil 
A)  Single-stranded 
B)  Containing the nitrogenous base adenine 
C)  Containing phosphate groups 
D)  Containing deoxyribose sugars 
E)  Containing the nitrogenous base uracil

Question 4

Which type of point mutation creates a stop codon in a gene?

Accepted Answer

A)  Nonsense 
B)  Frameshift 
C)  Silent 
D)  Missense 
E)  None of these choices 
A)  Nonsense 
B)  Frameshift 
C)  Silent 
D)  Missense 
E)  None of these choices

Question 5

What is synthesis of RNA from a DNA template called?

Accepted Answer

A)  Transformation 
B)  Reverse transcription 
C)  Transcription 
D)  Translation 
E)  None of these choices 
A)  Transformation 
B)  Reverse transcription 
C)  Transcription 
D)  Translation 
E)  None of these choices

Question 6

What is the difference between acquired and inherited mutations?

Accepted Answer

An acquired mutation is one that occurs

Question 7

Which type of base-pair substitution mutation has no effect on the amino acid sequence of a protein?

Accepted Answer

A)  Missense mutation 
B)  Nonsense mutation 
C)  Silent mutation 
D)  Frameshift mutation 
E)  None of these choices 
A)  Missense mutation 
B)  Nonsense mutation 
C)  Silent mutation 
D)  Frameshift mutation 
E)  None of these choices

Question 8

Which of the following sequences is most commonly found at eukaryotic promoters?

Accepted Answer

A)  TATAAT 
B)  Poly(
A)  tail 
C)  7-methyl G cap 
D)  5'-GU . . . AG-3' 
E)  Shine-Dalgarno sequence 
A)  TATAAT 
B)  Poly(
A)  tail 
C)  7-methyl G cap 
D)  5'-GU . . . AG-3' 
E)  Shine-Dalgarno sequence

Question 9

Give three differences between DNA and RNA.

Accepted Answer

DNA has the sugar deoxyribose

Question 10

Another term for a triplet code is ________.

Accepted Answer

A)  an enhancer 
B)  a promoter 
C)  tRNA 
D)  a factor 
E)  a codon 
A)  an enhancer 
B)  a promoter 
C)  tRNA 
D)  a factor 
E)  a codon

The complementary base that hydrogen bonds with thymine in a DNA double helix is ________.

________ is the enzyme that copies DNA during DNA replication. Thermostabile forms of this enzyme are essential for PCR.

Which of the following is a structural feature of DNA but not RNA?

Which type of point mutation creates a stop codon in a gene?

What is synthesis of RNA from a DNA template called?

What is the difference between acquired and inherited mutations?

Which type of base-pair substitution mutation has no effect on the amino acid sequence of a protein?

Which of the following sequences is most commonly found at eukaryotic promoters?

Give three differences between DNA and RNA.

Another term for a triplet code is ________.

The Biotechnology Century and Its Workforce

Recombinant Dna Technology and Genomics

Proteins As Products

Microbial Biotechnology

Plant Biotechnology

Animal Biotechnology

Dna Fingerprinting and Forensic Analysis

Bioremediation

Aquatic Biotechnology

Medical Biotechnology

Biotechnology Regulations

Ethics and Biotechnology

Filters

Exam 2: An Introduction to Genes and Genomes

The complementary base that hydrogen bonds with thymine in a DNA double helix is ________.

________ is the enzyme that copies DNA during DNA replication. Thermostabile forms of this enzyme are essential for PCR.

Which of the following is a structural feature of DNA but not RNA?

Which type of point mutation creates a stop codon in a gene?

What is synthesis of RNA from a DNA template called?

What is the difference between acquired and inherited mutations?

Which type of base-pair substitution mutation has no effect on the amino acid sequence of a protein?

Which of the following sequences is most commonly found at eukaryotic promoters?

Give three differences between DNA and RNA.

Another term for a triplet code is ________.

The Biotechnology Century and Its Workforce

Recombinant Dna Technology and Genomics

Proteins As Products

Microbial Biotechnology

Plant Biotechnology

Animal Biotechnology

Dna Fingerprinting and Forensic Analysis

Bioremediation

Aquatic Biotechnology

Medical Biotechnology

Biotechnology Regulations

Ethics and Biotechnology

Filters