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Q1. When stained with the Giemsa dye, human mitotic chromosomes show a characteristic pattern of light and dark ‘bands’. The human karyotype contains ~2000 G-dark bands that are visible in high resolution metaphase spreads. If the haploid human genome contains three billion base pairs and encodes ~30,000 genes, roughly how […]

1. Describe the structures and events of the Sliding Filament Model of muscle cell contraction. 2. What is meant by brain plasticity? Relate this to the anatomy of the brain including lobes and major functional regions. Give examples. 3. Describe the anatomy of the spinal cord and relate the anatomy […]

The Cape Wind project in Nantucket Sound Electricity generated from wind has been developed as one of the best alternative energy strategies. It produces no greenhouse gas emissions, and comes from harnessing a free source of energy – the wind.The use of wind energy has dramatically increased over recent years. […]

Q. Your friend is trying to generate an in vitro system for studying the formation of COPII vesicles. He finds that to get well-organized vesicle budding from artificial membranes, he needs to add the coat proteins, the Sar1 GTP-binding protein, the GTPase-activating protein (GAP) for Sar1, and GMP-PNP (a nonhydrolyzable […]