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Explain about the Chemical Carcinogens?
Chemicals have been shown to be carcinogenic. Some are naturally occurring components of plants and microbial organisms. Some are synthetic products created by industry. Chemical carcinogens can be classified into two general categories based on the ability of compounds to bind to DNA.
Compounds that bind to DNA are genotoxic, whereas compounds that are carcinogenic, but have no evidence of DNA binding are termed epigenetic. Some of the major chemical carcinogens are alkylating agents, acylating agents, and aromatic amines. Aflatoxin B, Betel nuts, nitrosamines and amides, vinyl chloride, nickel, chromium insecticide and fungicide are also some of the chemical carcinogens. Tobacco, smoking, drug abuse are also known to cause cancers.
At 1 AM, an impermeable membrane separates a 1 liter solution of 2M KCl in the left compartment from a 1 liter solution containing both 1M NaCl and 1M KCl in the right compartment.
Define ascending type of paper chromatography? The ascending type consists in dipping the lower end of the paper containing the sample spots into the solvent so that it is abov
Economic Biology: This is the study of useful plants and animals or their products. Economic biology is referred to as economics and human biology. Economics or Human Biology can
what chemistry
Q. What is an instance of a hypothesis which may explicate why there is not a big representation of the class Reptilia found in Polar Regions? Beings of the class Reptilia are
Which of the following cells of the immune system is most likely to be directly involved in the rejection of a transplant? Answer plasma cells eosinophils basophils T lymphocytes m
Explain the Pour Plate Method Isolated colonies can also be obtained by pour plate method. The method involves mixing of small volume of microbial suspension with molten nutrie
Q. What is the antagonism between the sympathetic and the parasympathetic neural actions? In general the action of the parasympathetic and the sympathetic are antagonistic that
Hormone s . The thyroid gland secretes following hormones. Thyroxine (tetraiodothyronine or T 4 )' and tri-iodothyronine or T 3 are secreted by the thyroid follicular cells.
Distinguish between epithelial and connective tissues with respect to their cell arrangement? PROVIDE a specific example (for both tissue types) of how the arrangement of cells hel
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