Biology Final Exam

What type of cell has a nucleus and membrane bound organelles?

• eukaryotic

• prokaryotic

In natural selection, the selective agent is the

• humans

• mutations

• breeders

• environment

All rabbits living in a particular area would be an example of a(n)

• population

• species

• fossil

• individual organism

Genetic variation can arise from a random change in the DNA of a gene.  The change is called a(n)

• mutation
• gene flow
• gene pool
• allele

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 

• 50 % Brown Hair and 50% Blond Hair 
• 25 % Brown Hair and 75% Blond Hair 
• 75 % Brown Hair and 25% Blond Hair 
• 0% Brown Hair and 100% Blond Hair 

The ability of bacteria to survive and become "stronger" even after antibiotic treatment is called

• cellular respiration

• endospore formation

• electrical resistance

• antibiotic resistance

Sexual reproduction is....

• Two parents, offspring not identical to parent

• two parents, offspring identical to parent

• One parent, offspring identical to parent

Asexual reproduction is....

• two parents, offspring identical to parent

• one parent, offspring identical to parent

• one parent, offspring different from parent