Biology and Human Welfare

DNA Fingerprinting Definition

DNA is an acronym for deoxyribonucleic acid, a type of nucleic acid found inside every cell in your body. It is a series of chemical molecules that combine to generate irreversible blueprints for life. These are known as bases, and there are four of them. They combine to generate what are known as base pairs. […]

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Biology, Biology and Human Welfare, Class 12, Human health and diseases: Pathogens, immunity, vaccines, NEET

Death Rate (Mortality rate)

An unrefined death rate does not distinguish between particular cases of death or cluster of individuals and measures the incidence of all deaths in a given population within a given and limited time. However, the more defined death rate (mortality rate) is based on tapered categories of individuals or causes of death. Note: Ebola is

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Biology, Biology and Human Welfare, Class 12, Human health and diseases: Pathogens, immunity, vaccines, NEET

Carcinogenicity

Carcinogens are harmful chemicals present around us in appliances or even in our homes and workplaces. It is impossible to remove such substances altogether, but one can exercise precautions since these are cancer-causing substances. Carcinogenicity refers to carcinogens that damage the DNA present inside the human body. It can hamper immunity and further lead to

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Biology, Biology and Human Welfare, Class 12, Human health and diseases: Pathogens, immunity, vaccines, NEET

Adolescent Health

Adolescence is a critical period for promoting health and disease prevention, but it is often overlooked. The majority of the nation’s 42 million adolescents1, aged 10 to 19, are generally healthy. In recent years, the United States has seen a decrease in sexual risk behaviors, teen births, smoking, and substance use, as well as higher

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Biology, Biology and Human Welfare, Class 12, Human health and diseases: Pathogens, immunity, vaccines, NEET