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 […]
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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 […]
Single Stranded DNA (ssDNA) vs Double Stranded DNA (dsDNA): Similarities and Differences
ssDNA vs dsDNA The DNA molecules are not always double stranded helical structures, sometimes they occur in single stranded form called ssDNA. In 1959 Robert […]
Similarities and Difference between RNA and DNA- A Comparison Table
We wish to suggest a structure for the salt of deoxyribose nucleic acid (DNA). This structure has novel features which are of considerable biological interest. […]
Difference between Necrosis and Apoptosis: A Comparison Table
Apoptosis vs Necrosis Apoptosis and Necrosis Apoptosis and Necrosis are two types of cell death occur in organisms. The cells undergo death when the cell […]
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 […]