These are the basic building blocks of all living things. * A. DNA
B. Cells
C. Genes
D. Chromosomes

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 statement explains how gravity and intertia work together

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?