Mad cow disease is an example of an infection caused by a:

a. bacterium.
b. bacteriophage.
c. retrovirus.
d. viroid.
e. prion.


E

Biology & Microbiology

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A calorie is the commonly used unit of chemical energy. It is also the unit of

A. light. B. magnetism. C. sound. D. heat. E. radioactivity.

Biology & Microbiology

The letter "D" in the above figure represents

a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle

Biology & Microbiology

Mutations in germ cells are passed on only to other germ cells in members of future generations

a. True b. False

Biology & Microbiology

Limiting factors (i.e. disease, starvation, or drought) determine the _____________ of a given population.

A. ecological footprint B. reproductive barriers C. evolutionary tree D. fossil record E. carrying capacity

Biology & Microbiology