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Point mutations are often caused by substances called mutagens explain?
Point mutations are often caused by substances called mutagens. Base analogs, such as 5-bromouracil, a toxic drug used in cancer chemotherapy, are mutagens similar in structure to nucleotide bases. Other mutagens include coal tar dyes, which induce frame-shift mutations; ultraviolet light; atomic radiation; cigarette tars; some viruses, such as the genital herpes virus; and chronic irritants such as asbestos and silica. These mutagens are also referred to as carcinogens because they can lead to cancer, a condition in which cells fail to differentiate normally.
Energy Metabolism In the preceding sections of the unit, you studied how the products of digestion of food, viz: amino acids, sugars and fatty acids are absorbed and transport
R a b i e s It is also known as lyssa, and hydrophobia in human beings. This fatal disease is characterized by altered behavior, deranged consciousness, laryngeal paralysi
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Explain functional properties of gellan gums One of the most important features of gellan gums is its versatile texture which is defined in terms of hardness (measure of ruptur
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A few statements about the mechanism of evolution are made. Mark the correct statements. (i) Evolution happens at the individual level as well as population level. (ii
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