High-energy electrons from molecules of NADH and FADH2 are transferred to a chain of proteins within the electron transport chain. What is the final protein in the electron transport chain?

A. ubiquinone
B. NAD+
C. carbon dioxide
D. cytochrome c
E. oxygen


D. cytochrome c

Biology & Microbiology

You might also like to view...

What enzymes hydrolyze proteins, releasing amino acids?

A. Tranaminases B. Decarboxylases C. Deaminases D. Proteases

Biology & Microbiology

A fungus is recovered from a nail scrapping. Microscopic examination reveals numerous smooth, thin-walled, club-shaped, multiseptate macroconidia; however, microconidia are absent. The or-ganism can be identified as:

a. Microsporum canis. b. E. floccosum. c. T. rubrum. d. M. gypseum.

Biology & Microbiology

It is correct to say that cytokines serve to bridge the innate and adaptive immune responses. This is because the synthesis of cytokines can be induced by microbial and nonmicrobial stimuli, while the action of cytokines can stimulate cells that participate in active immune responses. 

Answer the following statement true (T) or false (F)

Biology & Microbiology

Four of the five vitamins listed below are members

of the B-complex vitamins. Select the exception. a. ascorbic acid b. folic acid c. pantothenic acid d. riboflavin e. thiamine

Biology & Microbiology