During cellular respiration, _______ is the step that produces the greatest number of ATP molecules.
-fermentation
-glycolysis
-Krebs cycle
-oxidative phosphorylation
-carbon fixation
-oxidative phosphorylation
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__________ is a term that refers to similarities among various species that occur because the species are derived from a common ancestor.
A. Homologue. B. Phylogeny. C. Homology. D. Heterology. E. Morphology.
. The more severe form of African sleeping sickness is called the
A. Gambian form. B. Rhodesian form. C. Guyanan form. D. Brazilian form
Consider an erythrocyte with an internal glucose concentration of 0.1 mM and an external glucose concentration of 5 mM. Each of the following is true about GLUT1 transport of glucose across the plasma membrane into the cell except
A) Keq is always equal to 1. B) ?G depends on the concentration gradient. C) inward movement is exergonic. D) ?G° is always equal to 0. E) the rate of GLUT1 transport is faster than that of simple diffusion.
The second messenger that causes calcium ion to be released from intracellular stores is
A. Diacylglycerol B. Adenylyl cyclase C. Inositol triphosphate D. Phospholipase A E. None of the choices are correct