When an action potential reaches the axon terminal, the ____ channels are activated to trigger synaptic vesicle release
a. voltage-gated Cl- channels
b. voltage-gated Ca2+ channels
c. voltage-gated Na+ channels
d. ligand-gated Cl- channels
e. ligand-gated Ca2+ channels
ANSWER: b
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Members of which fungal phylum form associations with approximately 90% of land plants by forming mycorrhizae
with them?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Which of the following terms does NOT belong with the other four?
a. Radiolaria b. Chlorarachniophyta c. Foraminifera d. Charophyta e. Rhizaria
An example of a plant disease caused by a basiodiomycete is:
a. chestnut blight. b. Dutch elm disease. c. verticillium wilt on potatoes. d. wheat rust. e. ergot of rye.
What example of homeostasis includes the maintenance of constant internal body temperature?
What will be an ideal response?