A PH Versus Rate Curve with an Inflection Point at PH~4

question 4

Multiple Choice

A pH versus rate curve with an inflection point at pH~4 suggests the involvement of a(n) ________ in the catalytic step.

• A)proton abstraction that requires a metal ion in close proximity
• B)proton transfer with a pK close to 4
• C)proton donation that is mediated by a coenzyme
• D)free proton surrounded by a hydrophobic environment
• E)redox cofactor

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Definitions:

Coriolis Effect

The apparent deflection of moving objects (such as airplanes, wind, and ocean currents) to the right in the northern hemisphere and to the left in the southern hemisphere, resulting from the Earth's rotation.

Northern Hemisphere

The half of Earth that lies north of the equator, containing the majority of the planet's landmasses.

Southern Hemisphere

Refers to the half of Earth that lies south of the equator, encompassing regions like Australia, Antarctica, most of South America, and southern Africa.

Flow Cells

Circulatory patterns in fluids (air, water) driven by thermal or density differences, contributing to global atmospheric and oceanic circulation.