Question 1

What is different from one DNA nucleotide to the next?

Accepted Answer

A)  The sugar molecule 
B)  The phosphate group 
C)  The base 
D)  The protein 
A)  The sugar molecule 
B)  The phosphate group 
C)  The base 
D)  The protein

Question 2

What does it mean when we say a gene is "turned off"?

Accepted Answer

A)  The gene is no longer working properly. 
B)  The gene cannot be transcribed and translated into a protein. 
C)  The gene has a mutation. 
D)  The gene is now activated. 
A)  The gene is no longer working properly. 
B)  The gene cannot be transcribed and translated into a protein. 
C)  The gene has a mutation. 
D)  The gene is now activated.

Question 3

What is the monomer of the DNA molecule?

Accepted Answer

A)  Polynucleotide 
B)  Monosaccharide 
C)  Nucleotide 
D)  Peptide 
A)  Polynucleotide 
B)  Monosaccharide 
C)  Nucleotide 
D)  Peptide

Question 4

How does a cell typically know when to divide?

Accepted Answer

A)  Cells have an internal clock and divide only when they reach a certain age. 
B)  Tumor suppressor genes code for growth factor proteins that initiate cell division. 
C)  Proto-oncogenes code for growth factor proteins that initiate cell division. 
D)  Oncogenes code for growth factor proteins that initiate cell division. 
A)  Cells have an internal clock and divide only when they reach a certain age. 
B)  Tumor suppressor genes code for growth factor proteins that initiate cell division. 
C)  Proto-oncogenes code for growth factor proteins that initiate cell division. 
D)  Oncogenes code for growth factor proteins that initiate cell division.

What is different from one DNA nucleotide to the next?

What does it mean when we say a gene is "turned off"?

What is the monomer of the DNA molecule?

How does a cell typically know when to divide?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters

Exam 6: Dna: the Molecule of Life

What is different from one DNA nucleotide to the next?

What does it mean when we say a gene is "turned off"?

What is the monomer of the DNA molecule?

How does a cell typically know when to divide?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters