Sclerenchyma: Structure, Classification and Functions
Sclerenchyma is a simple permanent tissue in plants. Sclerenchymatous cells are dead at their maturity. Cells do not have protoplast when they completely developed. They […]
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Collenchyma: Structure, Classification and Functions
Collenchyma is a simple permanent tissue in plants. They are living cells with prominent nucleus and all the cell organelles. Each collenchymatous cell is with […]
Parenchyma: Structure, Classification and Functions
The tissue (a group of cells with particular function) composed of single type of cells. Three types of simple tissue system in plants, namely (1). Parenchyma, […]
Epithelial Tissue: Classification and Examples
What is Epithelium? Ø Epithelium is a tissue system in animals. Ø Epithelium constitutes the outer layer of body surfaces, linings of the alimentary canal […]
Chemical Bonds Involved in Protein Structure and Conformation
Bonds involved in Protein Structure Proteins are the polymers of amino acids. Amino acids are joined together by a special type of covalent bond (peptide […]
Classification of Proteins Based on Structure and Function
Classification of proteins: Proteins are important macromolecules of the cells, formed by the polymerization of amino acids according to the sequence of genetic code in […]
Ecological Adaptations of Xerophytes (with PPT)
What are xerophytes? Ø Xerophytes (xerophytic plants) are plants growing in dry habitats (xeric conditions) where the availability of water is very less. Xeric habitat […]
Biological Importance of Water
Biological Importance of Water Biological importance of water: Water is the mother liquid of all forms of life. The essentiality of water for living systems […]
Physical and Chemical Properties of Water and its Biological Significance
Physical and Chemical Properties of Water: Water is the most abundant substance in the living system. Water makes up about 70% or more of the […]