Assignment 2: pH Optimum for Invertase Another factor that strongly influences enzyme activity in living cells is the pH of the environment in which the enzyme is designed to function. For example, in humans, a cytoplasmic protein in a skin cell is surrounded by a different fluid environment at a […]

Q1. In dogs, black (B) is dominant to chestnuts (b), and solid colour (S) is dominant to spotted (s). What are the genotypes of the of the parents that would produce a cross with 3/8 black solid, 3/8 black spotted, 1/8 chestnut solid, and 1/8 chestnut spotted puppies? Q2. A […]

Question: Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine? A. Malaria is caused by several species of Plasmodium. B. Man does not develop immunity to malaria during natural infection. […]

In year of 1999, 4,458 women were screened for cervical cancer and 72 were found to have CIN 3 stage or above (diagnostic of carcinoma of the cervix or carcinoma-in-situ). The women who did not have cervical cancer were re-screened in 2004 and another 40 cases were diagnosed. a) Explain the […]