The term ________ is given to any foreign substance that stimulates a specific immune system response.
A. allergen
B. antibody
C. antigen
D. foreign body
Answer: C
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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
Alcohol dehydrogenase converts alcohol into _____________________. Fill in the blank(s) with the appropriate word(s)
The genotypes of the normal females in the second generation in Figure 16-2 are:
a. homozygous for albinism.
b. heterozygous for hair color.
c. heterozygous for albinism.
d. X-linked.
e. unknown
The plant pathogen ________ is a member of the alphaproteobacteria that alters plant cells by introducing DNA into them
A) Azotobacter B) Agrobacterium C) Rhizobium D) Pseudomonas E) Bdellovibrio