The function of corticotropin-releasing factor (CRF) is to stimulate

A) adrenocorticotropic hormone release.
B) gluconeogenesis.
C) adrenaline release.
D) glycogen synthesis.
E) inflammatory response.

When human DNA is inserted into a bacterial plasmid, the resulting bacterium will

A) produce the products of the gene that has been inserted into the bacteria.
B) be placed into a vaccine and used to fight off viruses that attack humans.
C) be used to study the evolutionary relationship between humans and bacteria.
D) produce restriction enzymes that will help fight off viruses that attack humans.
E) be used to create DNA to insert the human genome.

Which is the largest division of the geologic time scale?

A) Eon
B) Era
C) Epoch
D) Period
E) Millennium

Blood in the pulmonary capillaries has a higher partial pressure of carbon dioxide than atmospheric air.

Which endocrine gland increases metabolic rate and also regulates growth and development?

A) anterior pituitary
B) thyroid
C) hypothalamus
D) pancreas
E) posterior pituitary

What part of the eye prevents the eyeball from collapsing?

A) aqueous humor
B) vitreous body
C) suspensory ligaments
D) ciliary processes

Foraminiferan and radiolarian lineages are related, but different in that one ____ and the other ____.

A) has a mineral-based shell; does not have a mineral-based shell
B) has a chalk shell; has a silica shell
C) has a shell; does not have a shell
D) is heterotrophic; is completely autotrophic
E) has a single, large mitochondria; has many large mitochondria

Because most birds travel through the air at high speeds, they must have

A) a crop and a gizzard.
B) highly sensitive sensory systems.
C) complex songs.
D) eggs and no placenta.
E) a three-chambered heart.

Which of the following is a bony fish?

A) salmon
B) dogfish shark
C) skates
D) rays
E) whale shark

Where are the adrenal glands located?

A) near the thyroid gland
B) near the kidneys
C) near the posterior pituitary
D) near the pancreas
E) near the gonads