Which of the following statements is true about enzymes? A. They are used up in the reactions they catalyze.

B. They slow down or prevent chemical reactions from occurring.

C. They speed up reactions
lowering the activation energy.

D. They supply the energy needed for a reaction to occur.

Explain why process 2 is so important to sexual reproduction identify processes 1 and 3 state one difference between the cells produced by process 1 and cells produced by process 3

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Why are some people more concerned about shark survival than about shark attacks?