Which one of the following groups does not belong to the domain of the eukaryotes?
a. Fungi
b. Protists
c. Bacteria
d. Animals
e. Plants
C
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Australopithecus garhi lived about ________ million years ago.
A) 1.0 B) 2.5 C) 4.0 D) 5.0
Where would you expect to find proteins responsible for controlling the substances that enter and leave
mitochondria?
a. plasma membrane of the cell b. inner mitochondrial membrane c. outer mitochondrial membrane d. nuclear membrane e. lysosomal membrane
What happens to the amount of cilia lining the inner walls of the respiratory tract as it moves down from the upper conducting zone to the lower respiratory zone?
A) atrophies B) increases C) thickens D) no change E) decreases
Cyanide is a poison which prevents the last carrier in the electron transport chain (cytochrome C oxidase) from transferring the electron to the final electron acceptor. Which of the following would not be a consequence of exposure to this poison?
A) ADP would no longer be recharged to form ATP. B) Glycolysis, the intermediate reaction, and the Krebs cycle would stop as the cell would run out of the necessary oxidized coenzymes NAD+ and FAD. C) Movement of electrons through the chain would stop. D) Carbon dioxide would continue to be generated. E) Protons would no longer be pumped outside the membrane.