These ions bind to troponin, which forms a complex with tropomyosin. The process is called <span>Excitation-Contraction Coupling 3.</span>
It includes series of events, beginning with the production of an electrical impulse (action potential)<span> and ending with </span>contraction<span> of </span>muscles <span>in the </span>heart.
They have a greater frequency of harmful genes
Answer:
Round
Explanation:
we have pictures from outer space to prove it
1 and 2
(every organism is genetically unique)
(provides variety of offspring)