The Ratio of K_cat/K_m for Each of Two Different Substrates

question 48

Multiple Choice

The ratio of k_cat/K_m for each of two different substrates present in equal concentrations in an enzyme reaction will measure enzyme affinity because

• A) the rates of P formation are given by the values found for each substrate.
• B) the rates of P formation are the same for each substrate.
• C) it is an indication of the formation of ES for each substrate.
• D) All of the above

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Definitions:

Electric Arc Welder

A type of welding equipment that uses an electric arc to melt metals at the welding point, allowing them to fuse together when cooled.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, also a greenhouse gas in the Earth's atmosphere.

Stick Welding

A manual welding technique using a fixed-length electrode and electric current to join metal parts.

Electric Arc

A visible plasma discharge caused by electrical current passing through air, used in welding and other industrial processes.