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Microbiology We discuss three acellular infectious agents in this module – viruses, prions and viroids. Infection by any one of these can have serious consequences to human health and/or economic wellbeing. In the event of an outbreak, it is important to be able to identify and contain these pathogens to […]

In many countries, plants face flooding stress especially around river basins, and due to flash floods, typhoons. Few days of complete submergence will negatively impact the growth and development of plants. It has been discovered that some rice varieties show flooding stress tolerance. In the flooding tolerant rice plants, the […]

Q1. Assume that an enzyme requires an active site Cys thiol group to be in the unprotonated form (thiolate anion, R-S-) to act as a nucleophile in its chemical mechanism. If the pKa of that specific thiol is 8.3, what percent of all the enzyme molecules will have their Cys […]

1. Propose an explanation as to why there is a relatively high incidence of dwarfism among the Old Order Amish of Lancaster, Pennsylvania. 2. What is the minimum criterion used to determine if two similar individuals are members of the same species? 3. Why are marsupials found almost exclusively in […]