BIO 1140 Lecture Notes - Lecture 18: Adenylyl Cyclase, Tata Box, Electrochemical Gradient

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The direct energy source that drives atp synthesis in respiratory oxidative phosphorylation in eukaryotes is: The proton-motive force across the inner mitochondrial membrane. Need to be able to talk about where things happen, what happens, and what happens when things go wrong. Know how to build the proton gradient. Lysosomal enzymes released from dying cell can damage neighbouring cells. Membrane swells, things can come out of the cell, including digestive enzymes. As part of osmoregulation, the adrenal glands can secrete a chemical messenger to signal the kidneys to increase ion and water reabsorption. Using the previous slide, what would be the next steps that would lead to reduced growth factor secretion from this cell. G-protein activated with peptide (adrenaline), from the hints on the slide, camp pathway is chosen, the first thing to notice is that gi is acting, therefore trying to reduce the release of growth factor, produce less of it. Troponin and tropomyosin are 2 examples of this.

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