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Question
Mention the types of carcinogens with an example of each.
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Solution
Carcinogens are substances that causes cancer. Types of carcinogens:
(a) Physical carcinogens : lonising radiation like X-rays and gamma rays, non-ionizing radiation like UV-rays. They cause mutations in the genome.
(b) Chemical carcinogens : Tobacco smoke. It contains various carcinogenic agents like Arsenic, benzene, formaldehyde, etc.
(c) Biological carcinogens : Oncogenic viruses like human papilloma viruses, the Epstein-Barr virus, hepatitis B virus. All of these have genomes made up of DNA.
Types of carcinogens:
(a) Physical carcinogens : lonising radiation like X-rays and gamma rays, non-ionizing radiation like UV-rays. They cause mutations in the genome.
(b) Chemical carcinogens : Tobacco smoke. It contains various carcinogenic agents like Arsenic, benzene, formaldehyde, etc.
(c) Biological carcinogens : Oncogenic viruses like human papilloma viruses, the Epstein-Barr virus, hepatitis B virus. All of these have genomes made up of DNA.
(a) Physical carcinogens : lonising radiation like X-rays and gamma rays, non-ionizing radiation like UV-rays. They cause mutations in the genome.
(b) Chemical carcinogens : Tobacco smoke. It contains various carcinogenic agents like Arsenic, benzene, formaldehyde, etc.
(c) Biological carcinogens : Oncogenic viruses like human papilloma viruses, the Epstein-Barr virus, hepatitis B virus. All of these have genomes made up of DNA.
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