Question 3. You are a clinician in a small hospital and are monitoring the progression of myclonic epilepsy (MERRF) in twin boys. One twin remains only mildly affected by the condition, but the other twin develops other symptoms of full blown MERRF, including deafness, ragged red muscle fibers, and ataxia […]

1. In modern blimps, the gas of choice used to inflate them is helium rather than hydrogen. Hydrogen would be lighter, but helium is safer. Compare and contrast the atomic structure of hydrogen and helium. What charactristics of the atomic structure of helium make it so much less reactive than […]

Q.1. Clostridium and Streptococcus are both catalase-negative. Streptococcus grows by fermentation. Why is Clostridium killed by oxygen, whereas Streptococcus is not? 2. Assume that after washing your hands, you leave ten bacteria cells on new bar of soap. You then make a decision to do plate count of the soap […]

1. Trace the pathway of a sperm from the male testes to the uterine tube of a female. 2. Fertilization involves much more than a mere restoration of the diploid chromosome number. What does the process of fertilization entail on the part of both the egg and sperm? What are […]