An antibody molecule consists of four peptide chains, comprising two shorter chains known as light chains and two extended chains referred to as heavy chains.
Study a part of life cycle of Plasmodium given below:
Answer the following questions:
(a) Name the infective stage of Plasmodium that is stored in the female Anopheles mosquito.
(b) Where does fertilization and development of parasite take place?
(c) Identify labels P and Q in the given diagram.
(d) Asexual and sexual phase of the life cycle of the Plasmodium takes place in two different hosts. Write their names.
Time (Hours) | [A] (M) |
---|---|
0 | 0.40 |
1 | 0.20 |
2 | 0.10 |
3 | 0.05 |
HIV is a virus that attacks cells that help the body to fight infection and making a person more vulnerable to other infections and diseases. It is spread by contact with certain bodily fluids of a person with HIV. It is most commonly during the unprotected sex or when share injection or drugs equipment.
It is the late stage of HIV infection that occurs when the body’s immune system is badly damaged because of the virus.