Which of the following is consistent with the principle of base pairing?

(a) purine-purine
(b) pyrimidine-pyrimidine
(c) adenine-thymine
(d) guanine-thymine


(c) adenine-thymine

Biology & Microbiology

You might also like to view...

The dynamic scaffolding for many cellular processes

is formed by a. microfilaments. b. microtubules. c. intermediate filaments. d. myosin molecules. e. actin molecules.

Biology & Microbiology

Stomata are:a

waxy layers that cover leaves. b. openings in the leaf epidermis. c. extensions of bundle sheaths. d. particularly numerous on the upper epidermis. e. guarded by two stipule cells.

Biology & Microbiology

In the process of transcription, _____.

A. proteins are synthesized B. mRNA attaches to ribosomes C. DNA is replicated D. RNA is synthesized

Biology & Microbiology

Which of the following statements about gas exchange in animals with interacting circulatory and respiratory systems is FALSE?

A) Carbon dioxide moves from the tissues into the blood by diffusion. B) Gases are transported in the circulatory system by the bulk flow of blood. C) Oxygen is actively transported into the circulatory system. D) Air or water moves across the respiratory surface by bulk flow. E) Oxygen and carbon dioxide pass through respiratory membranes by diffusion.

Biology & Microbiology