Penicillium notatum is a mold that is the source of the antibiotic penicillin. which is the reason for placing it in the phylum deuteromycota?

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

What two fields of study provide the core information that is used to classify organisms?

Some substances but not other can cross the (blank) membrane of a cell