Most biologists recognize __________ domains

a. 3
b. 4
c. 5
d. 6
e. 12


a

Biology & Microbiology

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In a reversible chemical reaction at equilibrium, the concentration of X (the reactant) is 0.75 mol/L, and the concentration of Y (the product) is 2.25 mol/L. At 25°C, what would be the Keq?

A) 0.33 B) 3.0 C) 1.69 D) 1.50 E) 37.5

Biology & Microbiology

The phenotypic trait that selection acts upon directly is referred to as the ________ of selection

Fill in the blank(s) with correct word

Biology & Microbiology

What specialized structure do crustaceans use to sense gravity?

a. antennae b. maxillae c. mandibles

d. statocysts e. swimmerets

Biology & Microbiology

Microaerophiles are microbes that grow best at low

A) carbon dioxide levels. B) pH values. C) hydrostatic pressure. D) oxygen levels. E) salt concentrations.

Biology & Microbiology