All of the following are true for enzymes, except
Enzymes can be denatured at high temperatures and wrong pHs
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Enzymes can only be used 1 time
Enzymes can be used multiple times
Enzymes are for specific substrates

Enzyme can be used 1 time.

Explanation:

Enzymes are substrate specific, which means that only ONE substrate will fit with ONE enzyme. Enzymes can be used more than once.

each of the 46 original chromosomes splits into two daughter chromosomes, so there are two sets of 46 daughter chromosomes that end up in each cell. human cells have 46 chromosomes. each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere.