Question 1

What is meant by supercoiling?

Accepted Answer

A)  A supercoil is an enormous coil. 
B)  A supercoil is a series of knots. 
C)  A supercoil is a coiled coil. 
D)  A supercoil is a double helix. 
E)  A supercoil is a twisted helix. 
A)  A supercoil is an enormous coil. 
B)  A supercoil is a series of knots. 
C)  A supercoil is a coiled coil. 
D)  A supercoil is a double helix. 
E)  A supercoil is a twisted helix.

Question 2

In a nucleotide, what type of functional group joins the phosphate group to the sugar?

Accepted Answer

A)  a carboxylic acid 
B)  a glycosidic bond 
C)  a phosphate ester 
D)  an amide 
E)  an ether 
A)  a carboxylic acid 
B)  a glycosidic bond 
C)  a phosphate ester 
D)  an amide 
E)  an ether

Question 3

Which of the following molecules is found in RNA but not in DNA?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 4

The following figure illustrates a(n) _______ base pair.

Accepted Answer

A)  G-C 
B)  A-C 
C)  A-T 
D)  A-U 
E)  G-T 
A)  G-C 
B)  A-C 
C)  A-T 
D)  A-U 
E)  G-T

Question 5

A normal DNA sequence is 5′-GTA GCA TCA CCA-3′. If the DNA sequence mutated to 5′-GCA GCA TTC ACC A-3′, this would be a ________ mutation.

Accepted Answer

A)  substitution 
B)  frame-shift 
C)  translocation 
D)  viral 
E)  silent 
A)  substitution 
B)  frame-shift 
C)  translocation 
D)  viral 
E)  silent

Question 6

What is the definition of a genetic mutation?

Accepted Answer

A)  It is any damage to any DNA. 
B)  It is any damage to a gene. 
C)  It is a chemical change to a gene that affects the primary structure of a protein. 
D)  It is any chemical change or physical change to DNA. 
E)  It is a break in a DNA strand. 
A)  It is any damage to any DNA. 
B)  It is any damage to a gene. 
C)  It is a chemical change to a gene that affects the primary structure of a protein. 
D)  It is any chemical change or physical change to DNA. 
E)  It is a break in a DNA strand.

Question 7

Which type of RNA carries the genetic information from DNA out of the nucleus?

Accepted Answer

A)  ribosomal RNA (rRN
A)  
B)  RNA polymerase 
C)  messenger RNA (mRN
A)  
D)  transfer RNA (tRN
A)  
E)  All of these carry the genetic information from DNA out of the nucleus. 
A)  ribosomal RNA (rRN
A)  
B)  RNA polymerase 
C)  messenger RNA (mRN
A)  
D)  transfer RNA (tRN
A)  
E)  All of these carry the genetic information from DNA out of the nucleus.

What is meant by supercoiling?

In a nucleotide, what type of functional group joins the phosphate group to the sugar?

Which of the following molecules is found in RNA but not in DNA?

The following figure illustrates a(n) _______ base pair.

A normal DNA sequence is 5′-GTA GCA TCA CCA-3′. If the DNA sequence mutated to 5′-GCA GCA TTC ACC A-3′, this would be a ________ mutation.

What is the definition of a genetic mutation?

Which type of RNA carries the genetic information from DNA out of the nucleus?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Energy and Metabolism

Filters

Exam 14: Nucleotides and Nucleic Acids

What is meant by supercoiling?

In a nucleotide, what type of functional group joins the phosphate group to the sugar?

Which of the following molecules is found in RNA but not in DNA?

The following figure illustrates a(n) _______ base pair.

A normal DNA sequence is 5′-GTA GCA TCA CCA-3′. If the DNA sequence mutated to 5′-GCA GCA TTC ACC A-3′, this would be a ________ mutation.

What is the definition of a genetic mutation?

Which type of RNA carries the genetic information from DNA out of the nucleus?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Energy and Metabolism

Filters