A person scratching an itch is an example of a(n)
stimulus
response to an
OA) voluntary, internal
OB) voluntary, external
OC) involuntary, internal
OD) involuntary, external

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.

the answer is c.

by: nicholas dooley