It provides protection for the plant cell and supports the shape of the cell.
Explanation:
<h2>Yeast is used for the leavening of bread. Yeast uses the sugars and oxygen in dough to produce more yeast cells and carbon dioxide gas. This is called multiplication. The carbon dioxide makes the dough rise which gives the bread a light and spongy texture.</h2>
Well a<span> sperm fertilizes an egg to form a zygote.</span>
