Question

1)what is used for alcohol production

2) each sperm is of single or multi cell give answer
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Answer 1

Answer:

1.

Yeasts are the main fermentor and alcohol producer in the production of wine, beer and other alcohol drinks. The main yeast species used is Saccharomyces cerevisiae. It ferments the sugars, coming from different sources, e.g., grapes for wine, barley for beer, to alcohol and carbon dioxide.

2.Each sperm is a single cell. External fertilization takes place in frog. A new human individual develops from a cell called gamete. Egg laid after fertilization is made up of a single cell.