Which substance is found in RNA but not in DNA?

a. thymine
b. deoxyribose
c. ribose
d. guanine
e. cytosine


c

Biology & Microbiology

You might also like to view...

In moving a molecule of oxygen from the air to a muscle cell, which organ system(s) is(are)

involved?

a. respiratory b. circulatory c. nervous d. all of these

Biology & Microbiology

A Malpighian tubule is

a. a rasping tongue with chitinous teeth. b. a muscular sac used for extending tube feet in echinoderms. c. a filamentous projection of the mantle. d. a specialized tube in some arthropods used for waste processing. e. an abdominal appendage in some arthropods that secretes silk.

Biology & Microbiology

Which organ of the gastrointestinal tract has a large commensal population of microorganisms?

A. Large intestine B. Small intestine C. Pancreas D. Liver E. Salivary glands

Biology & Microbiology

Diploid stage(s) is(are) indicated by

a. A. b. B. c. C. d. D. e. B, C, and D.

Biology & Microbiology