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

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


Answer: C

Biology & Microbiology

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In the twilight zone (150-450 meters) bioluminescence is primarily used for

a. mate selection. b. detecting prey. c. locating prey. d. countershading. e. species recognition.

Biology & Microbiology

The pear-shaped organ in females that houses and nourishes the developing fetus. _____

A) Endometrium

B) Testis

C) Cervix

D) Uterus

E) Oviduct

F) Ovaries

G) Vagina

H) Seminal vesicle

I) Penis

J) Prostate gland

K) Vas deferens

L) Glans penis

Biology & Microbiology

Pyruvate can be a substrate or product involved in each of the following except

A) fermentation. B) aerobic glycolysis. C) gluconeogenesis. D) amino acid biosynthesis. E) Pyruvate can be involved in all of the above.

Biology & Microbiology

Which structure is directly associated with synaptic transmission?

A) axon B) vesicles C) nodes of Ranvier D) cell body

Biology & Microbiology