Which element is considered an essential micronutrient for plants?
a. gold
b. carbon
c. uranium
d. nitrogen
e. copper
ANSWER: e
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Which state is most likely to be a hotspot for biodiversity?
A) California B) South Dakota C) North Carolina D) West Virginia
What is the correct order for the following events that follow a nerve impulse along a sympathetic neuron to innervate
the heart? 1) G protein activates adenylyl cyclase 2) Neuron releases norepinephrine 3) Cyclic AMP activates protein kinase 4) Receptor activates G protein 5) Protein kinase phosphorylates Ca2+ channels 6) Receptors activated on the membrane of the cardiac muscle a. 1, 3, 4, 5, 2, 6 b. 5, 3, 4, 1, 2, 6 c. 6, 2, 4, 1, 3, 5 d. 2, 6, 4, 1, 3, 5
e. 2, 3, 4, 1, 6, 5Increasing the substrate concentration in an enzymatic reaction could overcome which of the following?
A) the need for a coenzyme B) allosteric inhibition C) competitive inhibition D) insufficient cofactors
The minimum gene set has on the order of:
a. 2 genes. c. 200 genes. b. 20 genes. d. 2,000 genes.