What is the function of carbonic anhydrase?
a. to speed up the rate at which CO2 binds to hemoglobin
b. to speed up the rate at which CO2 binds to O2
c. to speed up the conversion of CO2 and H2O into HCO3- and H+
d. to speed up the conversion of HCO3- and O- into CO2 and H2O
Ans: c. to speed up the conversion of CO2 and H2O into HCO3- and H+
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Through the process of ____ , some bacteria or archaeons derive energy by combining NH4 + and NO2 - (recall the equation NH4 + + NO2 - N2 + 2H2O)
Fill in the blank with the appropriate word.
During generalized transduction ________.
A. any DNA fragment of the appropriate size is packaged B. the host chromosome is degraded into randomly sized fragments C. any bacterial gene may be transferred to the subsequent host D. All of the choices are correct.
Which of the following is still found in the ADULT human?
a) series of pharyngeal slits b) dorsal nerve cord c) muscular, post-anal tail d) notochord