Step 6 of the citric acid cycle is catalyzed by succinate dehydrogenase. Keeping in mind that dehydrogenases catalyze redox reactions, which are the products of the reaction in which succinate is oxidized?
(a) fumarate, NADH
(b) fumarate, FADH2
(c) fumarate, FADH2
(d) succinyl CoA, NADH
(b)
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Squalene is produced by the ____ of sharks
a. kidneys b. heart c. livers d. muscle e. gall bladder
Ventricular fibrillation is occurring in a patient who has just arrived in the emergency room. Which one of the following treatments may be applied immediately to correct this potentially fatal arrhythmia?
A) implantation of an artificial pacemaker B) coronary artery bypass surgery C) cardioversion D) balloon angioplasty E) replacement of the defective heart valve
Which statement is incorrect about acid rain?
A. Sulfuric acid in the atmosphere is carried back to earth with rain. B. It has resulted in lakes becoming devoid of life. C. In 1989, rain and snow in the Northeast often had a pH as low as 2. D. Its effects have been more devastating to the Southeast than the Northeast. E. It comes from the tall stacks of coal-burning power plants.
Diabetes has been linked to: