Which of the following statements is not true about yeast?

Yeast is single celled.
Yeast multiply rapidly and produces carbon dioxide during respiration.
Yeast can remain dormant for a long time.
Yeast reproduces by fragmentation.

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 4 : Yeast reproduces by fragmentation.

The correct answer is option 4 (Yeast reproduces by fragmentation).

Explanation:

Yeast is single-celled. (TRUE)

Yeasts are eukaryotic, single-celled (organisms with only one cell) microorganisms that belong to the fungus kingdom.
It is high in protein and vitamins, particularly the B-complex vitamins.
Their morphological size of yeast is 0.075 mm in diameter and with multiple forms and shapes.

Yeast produces carbon dioxide during respiration. (TRUE)

During fermentation, yeast rapidly reproduces by using the sugars in the growth medium and converting them to carbon dioxide and alcohol via anaerobic respiration.
Anaerobic respiration is the breakdown of carbohydrates into water and carbon dioxide in the absence of oxygen.

Yeast can remain dormant for a long time. (TRUE)

Dry yeast is not dead; it is simply dormant. It will die eventually because it cannot remain dormant indefinitely, but it can survive in dormancy for a very long time.
When the yeast get warm water and some food to eat (in the form of sugar), they will become active. And as they eat the sugar and break it down for food, they release carbon dioxide.

Yeast reproduces by fragmentation. (FALSE)

Yeasts cannot be reproduced by fragmentation.
Yeast is an asexually reproducing organism that only reproduces when certain conditions are met.
Yeast reproduces through a process known as budding.
It is a mode of asexual reproduction in which one or more outgrowths (buds)are produced which initially remain attached to the parent cell and eventually get separated from it to grow into a new independent individual.

4 views Answered 2022-09-04 04:29

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