Archaea use molecules with reactive side chains in their plasma membrane, so the tails of archaeal phospholipids form covalent bonds with one another. As a result, the plasma membrane is ____

a. more fluid
b. less rigid
c. less fluid
d. able to contain more membrane proteins
e. easily disturbed


c

Biology & Microbiology

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In the above diagram, the _____ is/are labeled with the letter "J"

a. bronchi b. bronchioles c. diaphragm d. alveoli e. trachea

Biology & Microbiology

What caterpillar saliva-based chemical stimulates a corn plant to release an alarm signal?

A) Methyl salicylate B) Salicylic acid C) Florigen D) Volicitin E) Salicin

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A culture medium consisting of agar, peptone, and beef heart, which are substances in which the amount of ingredients are unspecified, is a

a. chemically defined medium. b. complex medium. c. selective medium. d. differential medium. e. reducing medium.

Biology & Microbiology

The slime layer provides bacteria greater pathogenicity as compared to the capsule.

a. true b. false

Biology & Microbiology