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The Ras protein functions as a molecular switch that is set to its on state by other proteins that cause it to bind GTP. A GTPase-activating protein resets the switch to the off state by inducing Ras to hydrolyze its bound GTP to GDP much more rapidly that it would […]

Q1. 21st century tool, identify two potential causes for DNA mutation. Identify which part of the cell cycle these mutations most likely occurred. Clarify how those mutations can potentially result in cancer. Ensure you list all references used for information and images. Q2. What are the three main ions that […]

In Drosophila, vermilion eye color is due to a recessive allele (v) located on the X chromosome. Curved wings is due to a recessive allele (cu) located on one autosome, and ebony body is due to a recessive allele (e) located on another autosome. A vermillion male is mated to […]

A man’s maternal grandmother had normal vision; his maternal grandfather was color-blind; his mother is color-blind; his father is of normal vision. What are the genotypes, as to vision, of the two parents and grandparents mentioned? What types of vision has the man himself? What types of vision would his […]