Question:

Which of the following options contains the end products formed during anaerobic respiration in yeast?

Updated On: Jul 7, 2022

$H_{2}O$, $CO_{2}$ and energy
$H_{2}S$, $C_{6}H_{12}O_{6}$ and energy
$CO_{2}$, $C_{2}H_{5}OH$ and energy
$H_{2}O$ and $CO_{2}$

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The Correct Option is C

Solution and Explanation

Anaerobic respiration in yeast results in the production of ethyl alcohol, carbon dioxide and energy. $C_{6}H_{12}O_{6} { ->[{zymase}][{complex}] } \underset{\text{ Ethyl alcohol}}{{2C_{2}H_{5}OH}}+2CO_{2}$+Energy

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Notes on Microbes in human welfare

Concepts Used:

Microbes in Human Welfare

There are several valuable microorganisms that are beneficial to humans in various manners such as:

In Household Products

Fermentation of milk to produce yogurt.
Milk cuddling to compose curd, cheese, and paneer.

In Industrial Products

Production of beverages such as wine, beer, whiskey, brandy, or rum.
Production of antibiotics such as Penicillin and other chemical substances to kill or retard the expansion of disease-causing microbes.

Fermented Beverages

A fermentor is used to produce microbes on a large scale for industrial purposes.
The brewer’s yeast (Saccharomyces cerevisiae) is used to make ethanol. At this time, the yeast ferments malted cereals and fruit juices.

Antibiotics

The term antibiotic means “against life”. These materials can kill or destroy the growth of other microbes.