What powers ATP synthase directly?
a. electron transfer
b. NADH and FADH2
c. carbohydrate metabolism
d. the proton gradient
e. protein complexes
ANSWER: d
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In a pedigree, if two normal parents produce a child with a genetic disorder, then the disorder is caused by a(n) ___ allele
Fill in the blank(s) with the appropriate word(s).
I use an oily liver to maintain buoyancy, who am i?
A. Actinopterygii B. Cephalaspidomorphi C. Chonrichthyes D. Myxini E. Sarcoptergii
Isoniazid is a narrow-spectrum antibiotic that
A. is one of the few drugs effective against Mycobacterium tuberculosis. B. is one of the few drugs effective against systemic fungal infections. C. is not useful as a chemotherapeutic agent. D. None of the choices are correct.
Large amounts of epithelial cells, many of which are covered by tiny gram-variable rods and coccobacilli, and the absence of inflammatory cells in vaginal discharge are signs of:
a. pelvic inflammatory disease (PID). b. bartholinitis. c. cervicitis. d. bacterial vaginosis.