Evolution of Sporophyte in Bryophytes
The evolution of sporophyte in Bryophytes have been explained with the help of two theories: one is the Antithetic Theory or Theory of Sterilization and the other one is the…
Animesh Sahoo
Animesh Sahoo is a scientific blogger who is passionate about biology, nature, and living organisms. He enjoys sharing his knowledge through his writings. During his free time, Animesh likes to try new activities, go on adventures, experiment with different biological aspects, and learn about various organisms.
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Jungermanniales: Structure, Reproduction, Classification
Jungermanniales is the largest order of class Hepaticopsida in the division Bryophyta. Characteristics of Jungermanniales Structure of Gametophyte in Jungermanniales The plant body is gametophytic. The gametophytes are thalloid, except…
Marchantiales: Structure, Reproduction, Classification
Marchantiales is an order of Division Bryophyta (Class Hepaticopsida). Structure of Gametophyte The gametophyte of Marchantiales is the plant body. External Morphology Internal Morphology Sexual Reproductive Structures of Marchantiales Antheridium…
Isolation of Eukaryotic DNA: Objective, Principle, Requirements, Procedure, Precautions
DNA (Deoxyribonucleic acid) isolation is the process by which DNA is extracted from proteins, membranes, and other cellular materials contained in the cell. In Eukaryotic cells (Human, plant, and animal…
Sterilization Techniques: Objective, Principle, Methods, Requirements, Procedures
Sterilization is the complete eradication of microorganisms (fungi, bacteria, and viruses) present on the surface of any material. The microorganisms can be removed or destroyed from the definite materials (seeds,…
Eukaryotic Cell: Definition, Features, Structure, Examples
The Eukaryotic cell is the most advanced type of cell which is present in both animals and plants. Dougherty (1957) has divided cells into two types (based on the organization…
Mesokaryotic Cell: Definition, Features, Structure, Examples
The mesokaryotic cell is the intermediate cell of the Prokaryotic cell and the Eukaryotic cell. Dodge has first used the term mesokaryotic in 1966 for the cell that contains an…
Viroids: Definition, Features, Structure, Examples
Viroids are the group of pathogens of some higher plants. Theodor Otto Diener introduced the viroid in 1971 for a new group of sub-viral plant pathogens. He was the first…
Prokaryotic Cell: Definition, Features, Structure, Examples
In 1957 Dougherty has divided cells into two types based on the organization in the nucleus of the cell. One is a prokaryotic cell (primitive cell) and the other is…
Echinodermata: Definition, Characteristics, Classification, Examples
Phylum Echinodermata represents the most advanced invertebrate phylum closer to the chordates. They vary substantially in size which may range from 1 cm to about 2 m in length. In…