Protein phosphorylation is another way to alter the conformation of an enzyme and serves exclusively as a mechanism to increase enzyme activity.

a. true
b. false


b. false - can either activate or inhibit activity

Biology & Microbiology

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The animals across are a lancelet, lamprey, salmon, lizard, and rabbit. Which synapomorphy is common to the lizard and rabbit but not the salmon?



A. Notochord.
B. Vertebrae.
C. Tetrapod.
D. Mammary glands.

Biology & Microbiology

Sidearms are attached to ________.

A) B tubules B) A tubules C) central pairs D) radial spokes E) interdoublet nexin

Biology & Microbiology

What is a uniform characteristic of deserts?

a. low rainfall amounts b. uniformly high temperatures c. thick layers of topsoil d. void of animal life e. large leafy plants

Biology & Microbiology

When bacterial cell walls are covered with an outer membrane that contains lipopolysaccharide, they are

A. polyencapsulated. B. gram-negative. C. gram-positive. D. encapsulated.

Biology & Microbiology