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Class Reptilia – Characteristics, Classification and Example
Reptiles are the first class of organisms that adapt to life on land. They are generally to have evolved from the amphibians. They belongs to phylum Chordata of kingdom animalia. Key Characteristics of Reptilia Following are the common key characteristics
Xanthoproteic Test – Principle, Procedure, Result and Inference | Biology Ideas
Xanthoproteic test is usually performed to detect the presence of aromatic amino acids present in the given sample. Xanthoproteic test is generally used to detect the presence of phenolic or indolic groups i.e. All types of aromatic amino acids. As
Ninhydrin Test – Reaction, Procedure, Result and Inferences | Biology Ideas
Definition of Ninhydrin Test The ninhydrin test is a chemical test to detect the presence of amino acids. Ninhydrin test is a confirmatory test for protein after performing burnt test. It is optional test for biuret test. If this ninhydrin
8 Qualitative Tests for Protein | Biology Ideas
Proteins are present in the living world, regardless of the size of the organism, as they form the structural and functional basis of the cell. Under certain circumstances, it may become necessary to identify the proteins. For determining the presence
Plant Water Relations – Diffusion, Osmosis, Plasmolysis & Imbibition | Biology Ideas
Nearly 70% of the Earth’s surface is covered with water and it is generally recognized as a renewable resource and plant water relations. However the availability of fresh water still remains a limiting factor not only for plant growth but
What is Imbibition? – Definition, Features & Significance | Biology Ideas
What is Imbibition? Imbibition is a special kind of diffusion as like osmosis. The adsorption of water by hydrophilic colloids s is known as Imbibition. Imbibition results in increase in the volume. The substance which imbibes water and swells is
What is osmosis? – Definition, Mechanism & Osmotic Pressure | Biology Ideas
What is Osmosis? Osmosis is a special type of diffusion which occurs through membranes. Osmosis is defined as the movement of water (solvent) from a region of its higher concentration to a region of its lower concentration through a semi-permeable
What is Diffusion? – Definition, Type & Examples | Biology Ideas
What is diffusion? Diffuse – to spread/ disperse/flow out or move in all directions. Diffusion Definition Biology – Diffusion is the movement of particles (Ions, atoms or molecules) of different substances (solid, liquid and gases) from a region of higher
Fimbriae vs Pili – Difference | Biology Ideas
What is Fimbriae? Fimbriae and pili are filamentous structures composed of protein that extend from the surface of a cell and can have many functions. Fimbriae are short, thin, hair-like performances that are thinner than flagella and should not participate
