You have been sequencing a gene that codes for a protein in the mitochondrial electrontransport chain
If it is discovered that your gene is not responsible for reproductive isolation,
why do you nevertheless see an accumulation of differences between A1 and A2?
What will be an ideal response?
Answers will vary.
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Imagine you have extracted myosin molecules from both fast and slow twitch muscle fibers and are measuring the rate at which these proteins hydrolyze ATP. What would these relative rates of ATP hydrolysis be?
A. fast twitch fiber > slow twitch fiber B. slow twitch fiber > fast twitch fiber C. slow twitch fiber = fast twitch fiber
The major phagocytic cells in the body are____
a. macrophages and lymphocytes b. macrophages and neutrophils c. macrophages and mast cells d. monocytes and mast cells e. monocytes and basophils
Which kind of sterilization procedure takes advantage of the size of microorganisms?
A. Open flame B. Filtration C. Use of chemicals D. Autoclaving
Oxidative phosphorylation, as it occurs in modern eukaryotes, is a complex process that probably arose in simple stages in primitive bacteria. Which mechanism is proposed to have arisen first as this complex system evolved?
(a) electron transfers coupled to a proton pump (b) the reaction of oxygen with an ancestor of cytochrome c oxidase (c) ATP-driven proton pumps (d) the generation of ATP from the energy of a proton gradient