You did not include the statements, but a catalyst speeds up enzymes
<span>C6 H12 O6 + 6 O2 --> 6 CO2 + 6 H2O</span>
<span>A zygote begins as a one-cell structure that is created when a sperm and egg merge.
In the embryonic development of people and different creatures, the zygote arrange is brief and is trailed by cleavage, when the single cell moves toward becoming subdivided into smaller cells. we can also define zygote as a cell that is formed when two gametes meet.
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