In a cross between two tall pea plants some of the off-springs produced were dwarf. Show with the help of Punnett square how this is possible.
A student on a school trip started sneezing and wheezing soon after reaching the hill station for no explained reasons. But, on return to the plains, the symptoms disappeared. What is such a response called? How does the body produce it?
Name two commonly used bioreactors. State the importance of using a bioreactor.
Two commonly used bio reactors are
(a) Simple stirred-tank bioreactor.
(b) Sparged stirred-tank bioreactor.
Importance of Bioreactor
i. Bioreactors are used for processing large volumes of cultures (100 - 1000 litres) which produce large quantities of products.
ii. It also provides optimum growth conditions like temp, pH, substrate, salts, vitamins and oxygen for achieving the desired product.
Write the function of adenosine deaminase enzyme. State the cause of ADA deficiency in humans. Mention a possible permanent cure for ADA deficiency patient.
(a) Mention the difference in the mode of action of exonuclease and endonuclease.
(b)How does restriction endonuclease function?Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions.
(a) Acrosome
(b) Nucleus
(c) Middle piece