Which of the following is NOT a typical characteristic of most bacterial plasma membranes?

A) site of energy production
B) composed of a phospholipid bilayer
C) contains proteins
D) contains cholesterol
E) is selectively permeable


D

Biology & Microbiology

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Algal blooms result when unusually high amounts of nutrients enter the sea from:

a. runoff from land. b. leaching from marine sediments. c. direct intentional dumping. d. input from wind. e. shipboard disposal at sea.

Biology & Microbiology

The primary building block (monomer) of nucleic acids is

A. a group of four interconnected rings. B. a nucleotide. C. an amino acid. D. a glucose molecule. E. a fatty acid.

Biology & Microbiology

Amniotes differ from earlier vertebrates by ____

a. their large size b. their three-chambered heart c. producing eggs in which the young can develop away from water d. the possession of a slimy skin e. having external scales

Biology & Microbiology

The __________ is a circular molecule of DNA that resides in a region of cytoplasm called the

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

Biology & Microbiology