Answer:
The answer is letter A.
Explanation:
A loss-of-function mutant in the gene encoding Mad2.
Its not dumb. Sweetie I don't even know
The answer to your question is B, Lunacy.
The answer is <span>Gap Junction
Gap junction is a small gap between the cells that used to transmit signall to the cells. This gap will allow the heart muscle to be activated in unison. Coordinated contractions are important for heart muscle because it creates the force that needed to pump the blood.</span>
