TS of Dicot Leaf (Dorsiventral Leaf) Structure with PPT
Leaves are structurally well adapted to perform the photosynthesis, transpiration and gaseous exchange. A leaf composed of: (1). Leaf blade: also called leaf lamina is […]
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Anatomy of Monocot Root Cross Section
The anatomical features of a monocot root can be studied through a cross section (CS) through the root. The present post discesses the anatomy of […]
Different Forms of DNA (A-DNA, B-DNA and Z-DNA) A Comparison Table with PPT
Different Types of DNA Conformations DNA, the genetic information carrier molecule of the cell, is a long polymer of nucleotides and can adopt different types […]
Types of Stelar Systems and its Evolution in Pteridophytes and Higher Plants
Stelar Evolution in Pteridophytes What is stele? What are the components of stele? Ø Stele is the central cylinder or core of vascular tissue in […]
Parasitic Adaptations (Platyhelminthes, Nematodes, Insects and Plants)
Parasitic Adaptations What is meant by Adaptation? Adaptation definition: ‘Any feature of an organism or its part which enables it to exist under conditions of […]
Receptacular vs Appendicular Theory of Inferior Ovary Development in Flowers
Based on the position of ovary there are three types of flowers- (1) Hypogynous, (2) Perigynous, and (3) Epigynous. (1). Hypogynous Flower: The most primitive […]
Advantages and Disadvantages of Animal Cell Culture (Notes)
Advantages and Disadvantages of Cell Culture: Tissue culture is an aseptic in vitro culture of animal or plant cells in a precisely controlled environmental condition. […]
Applications of Restriction Endonucleases in Biotechnology (Short Notes)
Restriction Endonucleases Restriction endonucleases (also called as molecular scissors) are a class of nuclease enzymes which cut the DNA strand at precise locations. They are […]
Nucleosome Model of Chromosomes in Eukaryotes (Short Notes)
Does the DNA really need to FOLD inside the nucleus? A diploid human cell contains approximately 6.4 billion base pairs. These 6.4 billion base pairs are […]