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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 23, Problem 4SQ
Textbook Problem
80 views

The yeasts whose fermentation activity produces the carbon dioxide that makes bread rise are a _______.

  1. a. chytrid
  2. b. zygote fungus
  3. c. sac fungus
  4. d. club fungus

Summary Introduction

Introduction: Sac fungi (yeast), coming under the class of ascomycetes, have various economic uses. They show both beneficial and detrimental effects on human beings. Most of the members coming under this class are edible, and many are used as medicines, and many of them are used to produce vitamins, proteins, and other useful products.

Explanation of Solution

Reason for the correct answer:

Yeasts coming under sac fungi have a very relevant role in the economy. They are mainly used in bakeries and wineries for the production of bakery items like bread and wine. They actively take part in the process of alcoholic fermentation of many sugars, which results in the production of carbon dioxide and alcohol. This mechanism is usually used in the production of items like bread.

Option c. is given as “sac fungus”. Since fermentation processes of yeasts that come under sac fungus are used in the production of bread, option c. is the correct answer.

Reasons for incorrect answers:

Option a...

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