The concept of _______ describes the active transport of protons across a membrane to set up a concentration gradient called the proton motive force to set the stage for ATP synthesis.

A) Glycolysis
B) Phosphorylation
C) Photosynthesis
D) Chemiosmosis


D) Chemiosmosis

Biology & Microbiology

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Carbon-12, Carbon-13 and Carbon-14 are examples of:

A. ions B. isomers C. molecules D. isotopes

Biology & Microbiology

The onset of AIDS is often accompanied by  

A.  a steep drop in T cell numbers. B.  macrophage infection. C.  a positive HIV test. D.  lung infections and other opportunistic infections. E.  Kaposi's sarcoma.

Biology & Microbiology

Blood goes to the __________ after it leaves the

glomerular capillaries. a. renal vein b. renal artery c. peritubular capillaries d. vena cava e. heart

Biology & Microbiology

Many people assume pedigrees are like phylogenies. Which of the following comparisons between pedigrees and phylogenies are true?

a. Both show the splitting and the recombining of branches or lineages over time. b. A pedigree tells us about the ancestry of individuals, while most phylogenies tell us about the ancestry of populations. c. Both expand as one looks backward in time. d. All of the above.

Biology & Microbiology