Rank the following methods of acquiring oxygen from most to least efficient.
A. fish gills ? avian lungs ? mammalian lungs
B. fish gills ? mammalian lungs ? avian lungs
C. avian lungs ? mammalian lungs ? fish gills
D. avian lungs ? fish gills ? mammalian lungs
E. mammalian lungs ? fish gills ? avian lungs
Answer: A
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Isoelectric focusing
A. directly reveals the identity of unknown proteins in a complex mixture. B. separates proteins based on the pH at which they are electrically neutral. C. separates proteins based on their size and shape. D. focuses the data gathered onto a specific protein or ORF.
In what ways are oxidative phosphorylation and photophosphorylation similar?
A. The source of energy is highly reduced organic compounds B. Proton motive force is generated C. ATP synthase enzyme phosphorylates ADP to make ATP D. An electron transport chain is used E. Water is split to provide electrons
Viruses that infect bacteria are referred to as
A. viralcidens. B. bacteriocidins. C. bacterialogens. D. bacteriophages.
During protein starvation, the osmotic pressure forcing fluid into the blood on the venous side of capillary beds could drop below the blood pressure, then
A. hemoglobin will not release oxygen. B. fluids will tend to accumulate in tissues. C. the pH of the interstitial fluids will increase. D. most CO2 will be bound to hemoglobin and carried away from tissues. E. plasma proteins will escape through the endothelium of the capillaries.