CLEP Biology 5

Question 1

Which scientists are credited with proposing the double-helix structure of DNA?

Accepted Answer

Watson and Crick

Answer

Mendel and Morgan

Answer

Darwin and Wallace

Answer

Hershey and Chase

Question 2

What is the final electron acceptor in aerobic cellular respiration?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Water

Answer

NAD+

Question 3

A mutation that changes a single nucleotide and results in a premature stop codon is called a:

Accepted Answer

Nonsense mutation

Answer

Silent mutation

Answer

Missense mutation

Answer

Frameshift mutation

Question 4

Which type of plant tissue is responsible for transporting water from roots to leaves?

Accepted Answer

Xylem

Answer

Phloem

Answer

Cambium

Answer

Epidermis

Question 5

In humans, which structure prevents food from entering the trachea during swallowing?

Accepted Answer

Epiglottis

Answer

Larynx

Answer

Esophagus

Answer

Pharynx

Question 6

Which of the following provides the strongest evidence for common ancestry among species?

Accepted Answer

Homologous structures

Answer

Analogous structures

Answer

Vestigial behaviors

Answer

Convergent evolution

Question 7

What is the primary product of the light-dependent reactions of photosynthesis?

Accepted Answer

ATP and NADPH

Answer

Glucose

Answer

Carbon dioxide

Answer

Oxygen only