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Chapter 9: Q. 20 (page 252)

Which type of molecule acts as a signaling molecule in yeasts?

a. steroid

b. autoinducer

c. mating factor

d. second messenger

Short Answer

Expert verified

Option c is correct

Step by step solution

01

Step 1. Given introduction

Signaling molecules or ligands are the molecules that attach with the other molecules such as receptos.

02

Step 2. Explanation for correct option

Option c is correct because the signaling molecule produced by yeasts is a mating factor. They use cell surface receptors and signaling cascades to communicate with other other yeast for mating.

03

Step 3. Explanation for incorrect option

Option a is incorrect because the steroid is not a signaling molecule-produced yeast.

Option b is incorrect because an autoinducer is not a signaling molecule produced by yeast.

Option d is incorrect because the second messenger is not a signaling molecule produced by yeast.

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