Nonprotein catalysts are known as ________.
Fill in the blank(s) with the appropriate word(s).
ribozymes
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The mineral particles in soil include all of the following except ________
a. silt b. humus c. sand d. clay
The manipulation of genetic material for human purposes, the practice of ________, began almost as soon as we began to understand the language of DNA
Fill in the blank(s) with correct word
Select the true statement about the proton motive force
A) The proton motive force always involves the inner mitochondrial membrane. B) The proton motive force involves a pH gradient component. C) The proton motive force can be used for active transport processes. D) The proton motive force involves movement of hydrogen ions across the nuclear membrane by the electron transport chain. E) The proton motive force involves a pH gradient component AND the proton motive force can be used for active transport processes.
In the control of breathing, what is the factor that is most closely monitored by chemoreceptors?
A. Blood pressure B. The amount of CO2 in the blood C. The amount of urea in the blood D. The amount of ammonia in the blood