The substrate and the active site both need to fit together perfectly in order for the enzyme to work properly. If their shape is changed, typically through heat or a change in pH, the enzyme will not work.
The correct answer is A because G and C work together, and T and A work together, except A turns into U when transferring to mRNA.
<span>Your skeleton is internal, which means it is contained inside of you. A grasshopper has an external skeleton, or exoskeleton, with everything contained inside it. </span>
True, In early European society.
I did not quite understand that but in pretty sure it is b
