Cholesterol is essential for keeping cell membranes from thickening

Indicate whether the statement is true or false.


ANS: F, fluid

Biology & Microbiology

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When the population growth of the prey = 0, is the predator population increasing or decreasing?

a. It is always decreasing. b. It is always increasing. c. At the left point it is increasing and at the right point it is decreasing. d. At the right point it is decreasing and at the left point it is increasing.

Biology & Microbiology

The ________ of materials moved through the phloem occurs because of water pressure.

A. stoppage B. inhibition C. mass flow D. growth

Biology & Microbiology

____ ________ increases the porosity of the spore coat, helping the stain to penetrate.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Ammonia is the most toxic of the three major forms of nitrogenous waste

A. true B. false

Biology & Microbiology