In transcription, the base thymine in DNA will pair opposite the base ____ in mRNA. 

A. uracil
B. guanine
C. cytosine
D. adenine


D. adenine

Biology & Microbiology

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True or False: Intrasexual selection includes physical competition among males, whereas intersexual selection involves advertisement displays

A. true B. false

Biology & Microbiology

Explain why lactose intolerance is considered a variation in gene expression rather than a genetic disorder

What will be an ideal response?

Biology & Microbiology

The adjustment of the shape of the lens by the ciliary muscle is:

a. visual accommodation b. refraction c. reflection d. photoreception e. perception

Biology & Microbiology

Scientists perform ____ in order to ____ a

given ____.

a. experiments; test; hypothesis. b. tests; experiment; law. c. tests; experiment; variable. d. facts; test; variable. e. hypotheses; try; experiment.

Biology & Microbiology