What relation exists between an enzyme and a catalyst. 1-Enzymes and catalysts play no role in
chemical reactions.

2-Like catalysts, enzymes speed up chemical
reactions by increasing their activation
energy.

3-Enzymes are biological catalysts.

4-Like catalysts, enzymes slow down chemical
reactions.

Explanation:

What relation exists between an enzyme and a catalyst.

1-Enzymes and catalysts play no role in

chemical reactions.

2-Like catalysts, enzymes speed up chemical

reactions by increasing their activation

energy.

3-Enzymes are biological catalysts.

4-Like catalysts, enzymes slow down chemical

reactions.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

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