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Smilin is a (hypothetical) protein that causes people to be happy. It is inactive in many chronically unhappy people. The mRNA isolated from a number of different unhappy persons in the same family was found to lack an internal stretch of 173-nucleotides that are present in the Smilin mRNA isolated […]

1. Indicate the probable effects of the following mutational changes on the structure of a protein. Provide a brief rationale for your answer. (a) Changing a Leu for a Phe (b) Changing a Lys for a Glu (c) Changing a Val for a Thr (d) Changing a Gly for an […]

Microbiology Helminths 1. Give a brief overview of the organism you have selected, including its full scientific name, how it is identified in the lab; where it usually lives, etc. 2. What is the name of the human disease or illness this organism may cause? What are the symptoms? 3. […]

Question: Down syndrome is the result of an extra 21st chromosome in humans. In the process of meiosis for the mother, give all possible stages where it could lead to an offspring with Down syndrome, given that both parents are normal. Draw a picture showing the error in one of the […]