Impulses conducted along the transverse tubules of the muscle fiber stimulate
A. the release of ATP.
B. the binding of actin to the Z lines.
C. tropomyosin and troponin binding.
D. the release of calcium ions.
E. the release of acetylcholine.
D. the release of calcium ions.
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Why did Mendel perform reciprocal crosses?
A) To obtain enough plants to perform the experiments that Mendel wanted. B) To test a hypothesis that stated the ovum carries all the information for progeny. C) To be able to breed plants year round. D) To determine whether the inheritance of a trait depends on which parent carries the trait.
Ovulation typically occurs on day ____ of a 28-day ovarian cycle
a. 1 b. 7 c. 10 d. 14 e. 28
Approximately how many neurons are in the human brain?
a. 1,000 b. 10,000 c. 100,000 d. 100,000,000 e. 100,000,000,000
Describe the relationship of insulin and glucagon
What will be an ideal response?