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
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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.
Sidearms are attached to ________.
A) B tubules B) A tubules C) central pairs D) radial spokes E) interdoublet nexin
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
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.