March 2026

Ramachandran plot

Ramachandran plot The Ramachandran plot is a fundamental analytical tool used to understand the conformational possibilities of polypeptide backbones based on the rotation of specific bonds. In a polypeptide chain, the main chain bonds subject to rotation are the N-Calpha and Calpha-C bonds, characterized by the torsion angles and respectively. In a polypeptide the main chain N-Calpha and Calpha-C bonds relatively […]

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Principles of Teaching

Principles of Teaching : Teaching is one of the instruments of education and its special function is to impart understanding and skill. Teaching is a relationship which is established between three focal points in education, the teacher, the child and the subject. Teaching is a process by which the teacher brings the student and the

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Characteristics of learning

Characteristics of learning The main characteristics of learning are 1. Learning is growth: The-individual grows as he lives. This growth implies both physical as well as mental development of the learner. The individual gains experiences through various activities. These are all sources of learning. The individual grows through living and learning. Thus, growth and learning

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Cucumber leaves are which type of venation?Types of plants leaves

Cucumber leaves are which type of venation? Answer- cucumber leaves are reticulate venation. Leaves are simple, petiolate, palmately lobed, hairy and multicostate reticulate. Types of plants leaves: Plant leaves are two types. That are- 1. Simple. A leaf which maybe entire or incised to any depth, but not down to the midrib or petiole; e.g., Mango

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Phyllode theory

Phyllode theory Modification of the petiole or any part of the rachis (axis of a compound leaf) into leaf-like flattened green structure is known as ‘phyllode’. The phyllode is the characteristic of xerophytic plants, and its main function is to carry on photosynthesis. The leaves of many plants which have to perform specialized functions become

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volcanoes

Volcanoes

Volcanoes Volcanoes are natural phenomenon that occur everywhere, but some places are more prone than the others. The molten rock and gas in the mantle called magma pushes its way upwards and pours to the surface through cracks in the crust. This is a volcano. There are different types of volcanoes; some are explosive others

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