How many chromosomes are present in human somatic cells?

a. 22
b. 23
c. 44
d. 46
e. 48


ANSWER: d

Biology & Microbiology

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What is the dependent variable in this figure?


A. number of plants that died at 37°C
B. number of plants that could grow at 37°C
C. number of plants that died at 65°C
D. number of plants that could grow at 65°C

Biology & Microbiology

The figure illustrates

a. DNA repair. b. semiconservative replication. c. the action of the ligases. d. the action of glycosylases. e. DNA hybridization.

Biology & Microbiology

Birds secrete uric acid as their nitrogenous waste because uric acid _____

A) is readily soluble in water B) is metabolically less expensive to synthesize than other excretory products C) requires little water for nitrogenous waste disposal, thus reducing body mass D) can be reused by birds as a protein source

Biology & Microbiology

Peas and beans are considered legumes. Why?

What will be an ideal response?

Biology & Microbiology