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1. In the fruit fly Drosophila melanogaster, very dark (ebony) body color is determined by the e allele. The e allele produces the normal wild-type, honey-colored body. In heterozygotes for the two alleles (but not in e e homozygotes), a dark marking called the trident can be seen on the […]

Assume the role of a research scientist who is applying for grant money to fund research on ALS. Describe the particular area of research that you would investigate (drug-based therapies that would slow the progression of the disease, tissue repair/regeneration, gene therapy, etc.) and provide valid scientific reasoning as to […]

1) You are tracking the movement of a patch of lipid bilayer on a phagosome that has just fused with a lysosome. What is the most likely fate of this patch of bilayer? a) it will disintegrate into the cytoplasm b) it will join another lysosome c) it will become […]

Assume that one hundred wolves of the same species reside on an isolated island develop a disease due to inbreeding. Scientists who ventured to the island have found that eight of the wolves have the disease and blood samples from all of the wolves on the island revealed that 34 […]