Which structure is unique to osteichthyes?
a. swim bladder
b. cartilaginous skeletons
c. lateral line
d. cutaneous respiration
a. swim bladder
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The type of plant hormone primarily responsible for promoting the formation of lateral roots is/are ____
a. jasmonates b. gibberellins c. auxins d. systemin e. cytokinins
Nitric oxide (NO) serves as a local signal for vasodilation because it ____
a. is broken down quickly b. dissipates quickly c. recycles rapidly in cells d. counteracts the action of oxygen e. blocks adrenergic receptors
Inrushing sodium ions trigger the opening of nearby channels and movement of sodium inward at that neighboring section of the membrane. What is occurring?
A) normal resting potential B) neurotransmitter release C) protein movement D) an action potential
The first sales were probably RNA and protein surrounded by lipid coat
a. true b. false