Which substance is released by motor neurons to stimulate a contraction?
A) myosin
B) acetylcholine
C) dopamine
D) calcium
B
Biology & Microbiology
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Ticks feed while attached to the host's surface. They are ____
a. endoparasites b. ectoparasites c. parasitoids d. brood parasites e. external parasites
Biology & Microbiology
Acclimation benefits an organism the most when the environment changes quickly and the phenotype changes slowly.
a. true b. false
Biology & Microbiology
The microbial death rate is (constant/nonlinear/variable) over time
What will be an ideal response?
Biology & Microbiology
The only group of fungi to have a flagellated stage is the ____
a. Chytrids
b. Ascomycetes
c. Basidiomycetes
d. Glomeromycetes
e. Zygomycetes
Biology & Microbiology