Which of the following is NOT true of enzyme behavior? Enzyme shape may change during catalysis. The active site of an enzyme orients its substrate molecules, thereby promoting interaction of their reactive parts. All enzymes have an active site where substrates are temporarily bound. Each enzyme can catalyze a wide variety of different reactions. None of these.

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.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.