The part of the brain that deals with the basic drives such as hunger, sex, and thirst is the:

a. cerebrum
b. pons
c. cerebellum
d. thalamus
e. hypothalamus


e

Biology & Microbiology

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A flower with petals, sepals, stamens, and one carpel is

a. perfect and incomplete. b. imperfect and complete. c. imperfect and incomplete. d. perfect and complete. e. sterile

Biology & Microbiology

Which of the following molecules does not act as a second messenger?

a. protein kinase b. IP3 c. DAG d. calcium ions e. cyclic AMP

Biology & Microbiology

The phenomenon whereby a small number of species diversify into a much larger number of species, able to live in a wide diversity of habitats is known as:

a) mass extinction. b) microevolution. c) adaptive radiation. d) colonization. e) background extinction.

Biology & Microbiology

Which of the following is a gastric enzyme that breaks down proteins into peptides?

A) Pepsin B) Sodium bicarbonate C) Bile D) Lipase E) Amylase

Biology & Microbiology