HORTICULTURE

HORTICULTURE SCIENCE

ULTRA STRUCTURE OF PLANT CELLS AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a cell, protoplast consists of the following EXCEPT ____ ?
A
Cell wall
B
Cell membrane
C
Nucleus
D
Cytoplasm
Explanation: 

Detailed explanation-1: -(A) In a cell, protoplast consist of the following except cell wall. Explanation: Protoplast is a plant cell and it does not have a cell wall. The protoplast consist of a nucleus, cell membrane and cytoplasm.

Detailed explanation-2: -Protoplasts are somatic plant cells that lack cell walls.

Detailed explanation-3: -Protoplast is the living part of the cell and does not include the cell wall. In simple words, Protoplast= cell membrane + cytoplasm + nucleus. Cellulase and pectinase are the enzymes that break down the cellulose and pectin components of the plant cell wall.

Detailed explanation-4: -Protoplast refers to a cell that doesn’t possess a cell wall. Protoplast is comprised of the plasma membrane, cytoplasm, and cell organelles. The cell wall can be removed the certain enzymes such as cellulase and pectinase. Protoplasts are commonly used for research purposes.

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