Answer:

Explanation:
In a chemical reaction, the <u>produc</u>ts are <u>produc</u>ed. The <em>react</em>ants are the substances that <em>react.</em>
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In a chemical reaction equation (with the arrow pointing right) the reactants are on the left and the products on the right.
The reactants enter and the products come out.
So, the statement given - products enter a reaction and reactants come out - is false and it is actually the other way around.
Initiation, elongation, and termination
Heterotrophs hope this helps.
Involuntary as the muscle is a reflex
Explanation:
The living layer of a cell is called cell membrane.
it is also called plasma membrane .
hope it is helpful to you