GENERAL HISTOLOGY

INTRODUCTION

CELL ORGANELLES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which organelle gives plant cells their shape?
A
Cell Membrane
B
Cytoplasm
C
Chloroplast
D
Cell Wall
Explanation: 

Detailed explanation-1: -The large central vacuole is surrounded by its own membrane and contains water and dissolved substances. Its primary role is to maintain pressure against the inside of the cell wall, giving the cell shape and helping to support the plant.

Detailed explanation-2: -EXPLANATION: The Golgi and plasma membranes are the two main sites where constituents of cell wall are synthesized. The Golgi body is also known as Golgi apparatus.

Detailed explanation-3: -Plant cells are like small balloons surrounded by a strong cell wall. Their internal pressure can be higher than the pressure in a car tire. It is this pressure that gives non-woody plant tissue its shape.

Detailed explanation-4: -Cytoskeleton-Made up of filaments and tubules, it helps shape and support the cell. It also helps things move around in the cell. For artistic purposes, the cytoskeleton is shown in just one place in the animal cell when in reality it is found throughout the entire cell.

Detailed explanation-5: -The plant cell wall is multi-layered and consists of up to three sections. From the outermost layer of the cell wall, these layers are identified as the middle lamella, primary cell wall, and secondary cell wall. While all plant cells have a middle lamella and primary cell wall, not all have a secondary cell wall.

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