The cells of the human body can differ in size and shape, and some can even alter their shape. This is an example of cellular diversity.

a. true
b. false


a. true

Biology & Microbiology

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Which phenomenon (or lack of) will prevent significant genetic drift?

A. Gene flow is absent. B. There is mutation. C. There is genetic variation. D. The population size is large.

Biology & Microbiology

It is necessary to do lab tests to diagnose all diseases.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Which one of the following proteins is not known to regulate translation through interaction with the 3' UTR of the mRNA?

A. CPEB B. Maskin C. eIF4E D. PUF proteins

Biology & Microbiology

Photosynthesis first occurs on Earth by about

___ years ago.

a. 4.6 billion b. 3.5 billion c. 2.7 billion d. 1.1 billion e. 0.5 billion

Biology & Microbiology