Some Enzymes Lower Activation Energy by ____

question 9

Multiple Choice

Some enzymes lower activation energy by ____.  

• A) keeping substrates apart
• B) orienting substrates randomly
• C) breaking the laws of thermodynamics
• D) shutting out water molecules
• E) physically breaking chemical bonds

---

Definitions:

Thermostat

A thermostat is a device used to control the temperature of a system so that the system's temperature is maintained near a desired set-point by regulating the flow of heat energy into or out of the system.

Degrees Fahrenheit

Degrees Fahrenheit is a unit of temperature where water freezes at 32 degrees and boils at 212 degrees under standard atmospheric conditions.

Mixture

A substance made by combining two or more different materials without chemical bonding or other chemical changes, so that each material retains its own properties.

Pounds

A unit of weight commonly used in the United States and the British imperial system, equivalent to 0.453592 kilograms.