In the structure of ATP synthase, where do H+ ions cross the mitochondrial membrane?
A. along the stem formed by the b subunit
B. through the rotating gamma subunit
C. between the catalytic beta subunits
D. between the transmembrane a and c subunits
Answer: D
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Polyploid plants are often unhealthy compared to diploid plants
a. True b. False
There is evidence connecting excessive amounts of glutamate, an amino acid, with mental health conditions such as schizophrenia. If a patient were put on a diet severely limiting carbohydrates and glutamate, would it disrupt the body’s ability to perform cellular metabolism?
a. Yes. Glutamate is intrinsic to energy production during low carbohydrate conditions. b. No. Glutamate is not a contributing factor in nutrition and would not be missed for energy production. c. No. The body has many other amino acids that can be fed into the citric acid cycle to continue to make ATP. d. Yes. Glutamate is an essential amino acid required by the body that must be acquired from nutrition.
The first leaves that emerge from a seed are the ________.
Fill in the blank(s) with the appropriate word(s).
The highest incidence of histoplasmosis in the United States occurs in the
A. Rocky Mountains. B. Southwest. C. Northeast. D. East and Midwest. E. Southeast.