CBSE Class Notes Online – Classnotes123
CBSE Class Notes, Worksheets, Question Answers, Diagrams , Definitions , Diffrence between , Maths Concepts, Science Facts Online – Classnotes123
The plant cell wall is composed of three major layers:
Middle lamella
Primary cell wall
Secondary cell wall
Cell wall is made up of Cellulose, Hemicellulose, Lignin and Pectin.
Other substances like lignin, suberin, and cutin deposition may be found on cell walls depending upon cell type and function.
Cell Wall vs Cell Membrane compared by 11 diffrences
11 Difference between Cell Wall and Cell Membrane (Plasma Membrane) Read More
10 Important Vacuoles Functions explained
10 Important Vacuoles Functions Read More
5 Important Difference between Plant Vacuoles and Animal Vacuoles
What is the Difference between Plant Vacuoles and Animal Vacuoles? Read More
Stomata Definition ,location, Structure , 5 main Types, important roles and finctions , 3 Mechanism of Opening and Closing of Stomata explained with Diagram
Stomata – Definition, Structure, Functions , Location , Diagram and Types Read More
Mechanism of opening and Closing of the Stomata explained in details with the theories
Mechanism of opening and Closing of the Stomata Read More
8 Important Function of Stomata explained in details
What are the function of Stomata Read More
Guard cells are specialised plant cells responsible for regulating the opening and closing of stomata, small pores on plant surfaces. They have a characteristic structure in the shape of a kidney or dumbbell and are located in the epidermis of leaves, stems and other plant organs. Their functions include the control of gas exchange, water balance and transpiration. The diagram of guard cells illustrates their unique shape and location.
Guard Cells – Definition, Location, Structure, Function and Diagram of Guard Cells Read More
10 Important Differences between Mitosis and Meiosis detailed explained in terms of Purpose, Number of divisions, Chromosome number, Synapsis and Crossing Over, Prophase, Metaphase, Anaphase, Mode of Reproduction, Frequency of Occurrence, Cytokinesis with diagram
10 Important Differences between Mitosis and Meiosis Read More