Why are enzymes necessary?

A) to regard the rate of decomposition
B) to act as a catalyst in chemical reactions
C) to conserve the stored energy of a cell

What abo controlling alleles could kim give her child

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geographical equipment to analyze the composition of rocks