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Chemistry in Everyday Life-CBSE Class 12th NCERT Solution

Oct 3, 2013 17:46 IST

    Get, detailed solutions to the questions of the Chemistry in Everyday Life from NCERT textbooks. The objective is to helping students regarding the pattern of answering the question as per the cbse latest marking scheme.Cbse.jagranjosh.com provided you NCERT solutions for classes 12th math and science subjects.

    Some questions of this chapter are given here.

    Q. Why do we need to classify drugs in different ways?


    A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition.

    Basis of classification are:

    • On the basis of molecular targets:

    This category contains drugs which have the same mechanism of action on targets. Hence, it is the most useful to medicinal chemists.

    • On the basis of chemical structure:

    This category contains drugs which have common structural features and they also show similar pharmacological activity.

    • On the basis of pharmacological effect:

    This category contains drugs which are available for the treatment of a particular type of problem. Thus, such a classification is very useful to doctors.

    • On the basis of drug action:

    This classification is based on the action of a drug on a particular biochemical process. This classification is very important.

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    Q. Explain the term target molecules or drug targets as used in medicinal chemistry.


    In medicinal chemistry, target molecules or drug targets are the key molecules which are involved in certain metabolic pathways that result in specific diseases. For example- Carbohydrates, lipids, proteins, and nucleic acid

    Q. Name the macromolecules that are chosen as drug targets.


    Carbohydrates, lipids, proteins, and nucleic acids are chosen as drug targets.


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