The addition or deletion of nitrogenous bases during replication or transcription results in changes in the DNA sequence. The change in base sequence is called:

What will be an ideal response?


mutation

Biology & Microbiology

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Many proto-oncogenes encode ____

a. growth inhibiting factors b. intracellular receptors

c. tumor suppressor proteins d. receptors for growth inhibiting factors e. growth factors

Biology & Microbiology

Animals that hibernate during a cold season are seasonal ____

a. endotherms b. ectotherms c. heterotherms d. regulators e. metabolic activators

Biology & Microbiology

Oxygen-poor blood circulates through

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

Biology & Microbiology

Which plants are planted to increase the amount of nitrogen in the soil?

a. watermelon and cantaloupe vines b. legumes c. mints d. grasses e. heaths

Biology & Microbiology