Short Answer Type(a) Mention the cause and the body system affected by ADA deficiency in humans.
(b) Name the vector used for transferring ADA-DNA into the recipient cells in humans. Name the recipient cells.Ahmad Khan of Bangalore , solved the ever-increasing problem of accumulating plastic waste came up with a remedy for efficient use of plastic waste by developing Polyblend, a fine powder of recycled modified plastic. In collaboration with R.V. College of Engineering and the Bangalore City Corporation, Ahmed Khan proved that blends of Polyblend and bitumen, when used to lay roads, enhanced the bitumen’s water repellant properties, and helped to increase road life by a factor of three. Thus the plastic wastes were used to make polyblend and lay road.
(a) Name the group of viruses responsible for causing AIDS in humans. Why are these viruses so named?
(b) List any two ways of transmission of HIV infection in humans, other than sexual contact.
(a) Draw a neat labelled diagram of a nucleosome.
(b) Mention what enables histones to acquire a positive charge.
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