What does the law of conservation of energy state?
o a
energy can be created from nothing.
b.
energy cannot be destroyed.
c. energy cannot change forms.
od.
the total amount of energy in a system changes continuously

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

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