Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme.  This is an example of what kind of inhibition?

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#Question id: 10889

#10. Ecological Principles

Which of the following ecosystem that is lower Productivity/Biomass ratios and energy transfer rates to higher trophic levels are slower 

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#Question id: 11098

#7. System Physiology – Animal

If the inspiratory reserve volume is 3000 mL, the tidal volume is 500 mL, the expiratory reserve volume is 1000 mL, and the residual volume is 1000 mL, what is the vital capacity?

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#Question id: 11191

#7. System Physiology – Animal

Opening all of the sodium channels on an otherwise typical neuron, with all other ion channels closed (which is an admittedly artificial setting), should move its membrane potential to ________.

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#Question id: 2996

#2. Cellular Organization

Cell death approximately equal to cell division is found in

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#Question id: 19342

#12. Applied Biology

Which one of the following devices is used to measure the glucose level in blood or sweat?