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Who was Charles Darwin?
The Charles Darwin was an English naturalist born in 1809 and considered the father of the theory of evolution. By the end of the year 1831, before turning 23 years of age, the Darwin embarked as volunteer scientist on the ship the Beagle for a five year expedition to the South American coast and the Pacific. Throughout the voyage, whose most famous passage was the stop in the Galapagos Islands, Darwin collected data that he used to write his masterpiece "The Origin of Species" (1859). In this book the principles of the common ancestry of all living beings and of natural selection as the force that drives the diversity of species was described. Darwin died in 1882 (The original name of the most famous book written by Darwin was "On the Origin of Species by Means of Natural Selection").
Development of Ovule The ovule develops from a specialised region of the ovary - the placenta. Initially it appears as a small mound on the placenta, and is composed of homoge
Determination of Nicotinic acid The chemical methods of assay are based on colour reactions of pyridine. Nicotinic acid and nicotinamide are converted by cyanogen bromide into
Define some Beneficial Effects of Fungi? 1. These act as decomposers and can degrade complex organic molecules in dead plants and animals to simple organic compounds and inorga
Ask Two true-breeding pea plants were crossed. One parent is round, terminal, violet, constricted, while the other expresses the respective contrasting phenotypes of wrinkled, axia
Initiation Codon is the codon at which the translation of a polypeptide chain is initiated. This is generally the first AUG triplet in the mRNA molecule from 5' end, where the rib
Trypsin Trypsin is secreted in the inactive form trypsinor - which is converted into the active form trypsin by the enzyme enterokinase secrated by the duodenal mucosa.
Q. Principles of Numerical Taxonomy? Numerical taxonomy is based on the following 7 principles. 1) The greater the content of information in the taxa of a classification is an
Kyasanur forest disease Kyasanur forest disease (KFD) was first recognized in 1957 as a new disease entity affecting man and monkeys in Karnataka, India. The disease is named
Factors affects Oxygen Dissociation Curve -Organic Phosphate The presence of organic phosphates in the red blood cells helps to explain many peculiarities of the oxygen dissoc
DIFFERENCE S BETWEEN SINGLE-UNIT AND MULTI-UNIT SMOOTH MUSCLES Single-unit Smooth Muscles Multi-uni t Smooth Muscles
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