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Q1. Sketch a diagram of a gene. Draw a diagram of a piece of DNA. Transcribe the gene into mRNA and then translate it into a polypeptide. Must have at least 4 amino acids in the polypeptide. Points deducted for not having start or stop codons and the amino acid […]

Bob has Klinefelter syndrome and is colorblind (an X-linked recessive condition). His mother and father have normal color vision, but his maternal grandfather is colorblind. Assume that Bob’s condition (Klinefelter syndrome) arose from non-disjunction in meiosis in one of his parents. In which parent and in which meirotic division (I […]

A 4 year old boy falls on a rusty nail and punctues his skin. The wound is cleaned and covered with sterile gauze. Which of the following is the initial events in the healing process? Formation of fibrin a firbrin clot Depostion of proteoglycans and collagen Macrophage-mediated phagocytosis of cellular […]

Two streams of water are mixed in a steady-state process: one stream of 15 kg/s at 950C and asecond stream of undetermined flow at 250C. It is desired to produce a product stream at atemperature of 750C. The mixing vessel is not well-insulated and heat is lost at a rate […]