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
(c)
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In the process of mRNA splicing, the lariat structure is
a. the splicing complex. b. the region where two exons are pasted together. c. the enzyme that cuts the pre-mRNA. d. the released intron. e. the region where two introns are pasted together.
Delivery of bile into the small intestine causes the __________ of fats, breaking them into smaller, more easily digested droplets.
Fill in the blank(s) with the appropriate word(s).
The _____ and _____ of the light being refracted influence the refractive index for any substance.
What will be an ideal response?
The equilibrium constant for a redox reaction is called the standard reduction potential.
Answer the following statement true (T) or false (F)