Question 1

The sites for intron splicing consensus sequences are often

Accepted Answer

A)  AC-------------------AAAA. 
B)  GU-------------------AG. 
C)  AU-------------------GC. 
D)  All of the answers are correct. 
E)  None of the answers is correct. 
A)  AC-------------------AAAA. 
B)  GU-------------------AG. 
C)  AU-------------------GC. 
D)  All of the answers are correct. 
E)  None of the answers is correct.

Question 2

The process of DNA renaturation after melting is called _____.

Accepted Answer

A)  replication 
B)  supercoiling 
C)  hybridization 
D)  helix nucleation 
E)  annealing 
A)  replication 
B)  supercoiling 
C)  hybridization 
D)  helix nucleation 
E)  annealing

Question 3

What is DNA hybridization?

Accepted Answer

DNA hybridization is the proce

Question 4

The chemical forces that contribute to the stability of the DNA due to the base stacking present in the DNA helix are

Accepted Answer

A)  hydrogen bonds. 
B)  van der Waals. 
C)  disulfide bonds. 
D)  van der Waals and disulfide bonds. 
E)  None of the answers are correct. 
A)  hydrogen bonds. 
B)  van der Waals. 
C)  disulfide bonds. 
D)  van der Waals and disulfide bonds. 
E)  None of the answers are correct.

Question 5

Codons that specify the same amino acid are termed _____.

Accepted Answer

A)  degenerate codons 
B)  anticodons 
C)  universal codons 
D)  synonyms 
E)  None of the answers is correct. 
A)  degenerate codons 
B)  anticodons 
C)  universal codons 
D)  synonyms 
E)  None of the answers is correct.

Question 6

Why are deletion and insertion mutations potentially lethal?

Accepted Answer

The genetic code has no punctuation. The

Question 7

Although the right-handed double helix is the most well-known DNA structure, DNA can also form

Accepted Answer

A)  triple strands. 
B)  straight chains. 
C)  branched chains. 
D)  left-handed helices. 
E)  All of the answers are correct. 
A)  triple strands. 
B)  straight chains. 
C)  branched chains. 
D)  left-handed helices. 
E)  All of the answers are correct.

Question 8

The first amino acid in bacterial proteins is

Accepted Answer

A)  Met. 
B)  fGly. 
C)  fMet. 
D)  Gly. 
E)  None of the answers is correct. 
A)  Met. 
B)  fGly. 
C)  fMet. 
D)  Gly. 
E)  None of the answers is correct.

Question 9

The difference in RNA bases compared to DNA bases is

Accepted Answer

A)  RNA contains A instead of T. 
B)  RNA contains U instead of G. 
C)  RNA contains U instead of T. 
D)  RNA contains A instead of U. 
E)  None of the answers is correct. 
A)  RNA contains A instead of T. 
B)  RNA contains U instead of G. 
C)  RNA contains U instead of T. 
D)  RNA contains A instead of U. 
E)  None of the answers is correct.

Question 10

The temperature at which half of the DNA helical character is lost is referred to as _____.

Accepted Answer

A)  Th 
B)  Tm 
C)  T0.5 
D)  TDNA 
E)  None of the answers is correct. 
A)  Th 
B)  Tm 
C)  T0.5 
D)  TDNA 
E)  None of the answers is correct.

Exam 4: DNA, RNA, and the Flow of Genetic Information

The sites for intron splicing consensus sequences are often

The process of DNA renaturation after melting is called _____.

What is DNA hybridization?

The chemical forces that contribute to the stability of the DNA due to the base stacking present in the DNA helix are

Codons that specify the same amino acid are termed _____.

Why are deletion and insertion mutations potentially lethal?

Although the right-handed double helix is the most well-known DNA structure, DNA can also form

The first amino acid in bacterial proteins is

The difference in RNA bases compared to DNA bases is

The temperature at which half of the DNA helical character is lost is referred to as _____.

Biochemistry: an Evolving Science

Protein Composition and Structure

Exploring Proteins and Proteomes

Exploring Genes and Genomes

Exploring Evolution and Bioinformatics

Hemoglobin: a Portrait of a Protein in Action

Enzymes: Basic Concepts and Kinetics

Oxidative Phosphorylation

Catalytic Strategies

Regulatory Strategies

Carbohydrates

Lipids and Cell Membranes

Membrane Channels and Pumps

Signal-Transduction Pathways

Metabolism: Basic Concepts and Design

Glycolysis and Gluconeogenesis

The Citric Acid Cycle

The Light Reactions of Photosynthesis

The Calvin Cycle and the Pentose Phosphate Pathway

Glycogen Metabolism

Fatty Acid Metabolism

Protein Turnover and Amino Acid Catabolism

The Biosynthesis of Amino Acids

Nucleotide Biosynthesis

Biosynthesis of Membrane Lipids and Steroids

The Integration of Metabolism

DNA Replication, Repair, and Recombination

Rna Synthesis and Processing

Protein Synthesis

The Control of Gene Expression in Prokaryotes

The Control of Gene Expression in Eukaryotes

Sensory Systems

The Immune System

Molecular Motors

Drug Development

Filters