8. Identify the cell organelle shown below
and label the parts A, B and C. Name the
reactions that occur in parts A and C.
please explain properly I have to complete my project.
Answers
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Table of Contents
Cell Organelles definition
Cell membrane (Plasma membrane/ Plasmalemma)
Structure
Functions
Cell Wall
Structure
Functions
Centriole
Structure
Functions
Cilia and Flagella
Structure
Functions
Chloroplast
Structure
Functions
Cytoplasm
Structure
Functions
Cytoskeleton
Structure
Functions
Endoplasmic Reticulum (ER)
Structure
Functions
Endosomes
Structure
Functions
Golgi Apparatus/ Golgi Complex/ Golgi Body
Structure
Functions
Intermediate filaments
Structure
Functions
Lysozyme
Structure
Functions
Microfilaments
Structure
Functions
Microtubules
Structure
Functions
Microvilli
Structure
Functions
Mitochondria
Structure
Functions
Nucleus
Structure
Functions
Peroxisomes
Structure
Functions
Plasmodesmata
Structure
Functions
Plastids
Structure
Functions
Ribosomes
Structure
Functions
Storage granules
Structure
Functions
Vacuole
Structure
Functions
Vesicles
Structure
Functions
References
Internet Sources
Cell Organelles- Structure and Functions with diagram

Cell Organelles definition
Cell organelle is a specialized entity present inside a particular type of cell that performs a specific function.
There are various cell organelles, out if which, some are common in most types of cells like cell membranes, nucleus, and cytoplasm. However, some organelles are specific to one particular type of cell-like plastids and cell walls in plant cells.

Image created using biorender.com

Cell membrane (Plasma membrane/ Plasmalemma)
A plasma membrane is composed of lipids and proteins where the composition might fluctuate based on fluidity, external environment, and the different stages of development of the cell.
Structure
Structurally, it consists of a phospholipid bilayer along with two types of proteins viz. embedded proteins and peripheral proteins that function in providing shape and allowing the movement of particles in and out of the cell.
The most abundant lipid which is present in the cell membrane is a phospholipid which contains a polar head group attached to two hydrophobic fatty acid tails.
The embedded proteins act as channels for the transfer of particles across the cell with some proteins acting as receptors for the binding of various components.
The peripheral proteins function as to provide fluidity as well as mechanical support to the structure of the cell.

Functions
The cell membrane provides mechanical support that facilities the shape of the cell while enclosing the cell and its components from the external environment.
It regulates what can be allowed to enter and exit the cell through channels, acting as a semi-permeable membrane, which facilities the exchange of essential compounds required for the survival of the cell.
It generates and distributes signals in and outside of the cell for the proper functioning of the cell and all the organelles.
It allows the interaction between cells required during tissue formation and cell fusion.

Cell Wall
An additional non-living layer present outside the cell membrane in some cells that provides structure, protection, and filtering mechanism to the cell is the cell wall.
Structure
In a plant cell, the cell wall is made up of cellulose, hemicellulose, and proteins while in a fungal cell, it is composed of chitin.
A cell wall is multilayered with a middle lamina, a primary cell wall, and a secondary cell wall.
Middle lamina contains polysaccharides that provide adhesion and allows binding of the cells to one another.
After