A substance that can elicit an immune response is called a(n)...
What will be an ideal response?
antigen
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If you were told to use a fluorescent antibody that binds to sodium channels to view the origin of nerve impulses, what area on the neuron would have the greatest antibody fluorescence?
A. trigger zone B. axon C. synapse D. Schwann cell E. dendrite
Why does sexual reproduction produce more genetic variability in a population?
A. Offspring are genetically identical to one parent. B. During sex adults can exchange genetic material thus increasing their variability. C. Organisms arising from sexual reproduction can change their genetic material in response to environmental changes. D. Sexually-reproducing organisms mutate more rapidly than asexually reproducing organisms. E. Offspring are a genetic mix of both parents.
Centromeres are
A. composed of microtubules. B. two identical sides of a metaphase chromosome. C. regions that attach chromosomes. D. the structures that contain genetic material.
________ are the proteins that appear as dark bands that mark the ends of the sarcomeres
Fill in the blank(s) with correct word