Structure of RNA
RNA molecule is a single stranded structure made of ribonueleotides. RNA contains the pyrimidine uracil instead of thymine in DNA. RNA is of 3 types, based on the cellular composition..
Structure of the Earth
During the formation of the Earth, cooling of gaseous mixtures took place and molten earth condensed to form different earth zones or layers. Each layer that formed on top of the other had a definite chemical composition and thus a distinct distribution of elements within it. The in..
Cell Structure
Each cell whether in a unicellular form like Gleocapsa or multicellular form like Nostoc, has a definite cell wall. Most often it is surrounded by a thin or thick mucilagenous sheath. The inner layer of cell wall has a chemical composition similar to bacterial cell, made up of peptidoglyc..
Each cell whether in a unicellular form like Gleocapsa or multicellular form like Nostoc, has a definite cell wall. Most often it is surrounded by a thin or thick mucilagenous sheath. The inner layer of cell wall has a chemical composition similar to bacterial cell, made up of peptidoglyc..Structure of the Earth
Structure of the Earth - During the formation of the Earth, cooling of gaseous mixtures took place and molten earth condensed to form different earth zones or layers. Each layer that formed on top of the other had a definite chemical composition and thus a distinct distribution ..
c) Age distribution (Age composition)
The relative abundance of the organisms of various age groups in the population is called age distribution of population. With regard to age distribution, there are three kinds of populations. i) Rapidly growing population is a population, which has high birth rate and low death rate, so there are..
The relative abundance of the organisms of various age groups in the population is called age distribution of population. With regard to age distribution, there are three kinds of populations. i) Rapidly growing population is a population, which has high birth rate and low death rate, so there are..Ecosystem - Structure and Function
The characteristic structure of an ecosystem is obtained by the systematic physical organisation of the abiotic and biotic components of that particular ecosystem. The two main structural features of any ecosystem are its 'species composition' and 'stratification'. An ..
1) Biotic factors
Interactions among the organisms in a community, as called biotic factors, influence the structure, composition and function of a community. In succession, during period of time a community makes the area less favourable for itself and more favourable for the next serial commun..
Nucleic Acids - RNA
RNA molecule is a single stranded structure made of ribonueleotides. RNA contains the pyrimidine uracil instead of thymine in DNA. RNA is of 3 types, based on the cellular composition..
Properties of Solids - Electrical Properties
Properties of solids have been exploited for various new innovations in electronic and magnetic devices like transistors, computers, telephones etc. Properties of the solids mainly depend upon their structure and composition. Three main properties are discussed belo..
The Ozone Layer
Contrary to common misconception, Ozone is not in the form of thick layer surrounding atmosphere. Equally untrue is another misconception that a hole is made in this ozone layer. To understand low ozone spread in atmosphere, one needs to know the structure and composition ..
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