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Consider a plant cell that makes a particular protein that is a necessary component of its plasma membrane. Trace the pathway this protein will take, beginning with its synthesis at the ribosome bound to the endoplasmic reticulum (which is where all membrane proteins, and those destined for export from the […]

1. Consider a cross of two heterozygous plants TtGg x TtGg.  Use the product rule to predict the probability of TTgg offspring…..What is the probability of TTgg offspring? 2. Can a man with Type A blood and a woman with Type B blood have a baby with Type O blood?  […]

Q1. What role do you think people have to play in preserving those regions threatened by human encroachment? How must the interests of competing groups be balanced? Q2. Natural selection tends to choose against deadly genetic disorders such as Tay-Sachs disease and PKU. If this is the case, why are […]

Your friend is studying mouse fur color and has isolated the GPCR responsible for determining its color, as well as the extracellular signal that activates the receptor. She finds that, on addition of the signal to pigment cells (cells that produce the pigment determining fur color), cAMP levels rise in […]