Enzymes

Any substance which speeds up the rate of a chemical reaction

• Enzyme

• Catalyst

• Protein

• Coenzymes

All _______ are considered both proteins and organic catalysts

• Enzymes

• Catalysts

• Proteins

• Coenzymes

To do its job, an enzyme binds to a molecule called a _________

• Substrate

• Active Site

• Activation

• Cofactors

The energy required for a chemical reaction to occur is called the _________ energy.

• Substrate

• Activation Site

• Activation

• Denature

An enzyme binds to a substrate at the _____________.

• Catalyst

• Cofactors

• Coenzyme

• Activation Site

When factors such as temperature or pH get too high, an enzyme will _______, or

change shape.

• Rotate

• Denature

• Activate

• Stabilize

Vitamins bind to a substrate and help an enzyme fit better with its substrate.

• Substrate

• Cocatalysts

• Coenzymes

• Cofactors

Metal ions bind to a substrate and help an enzyme fit better with its substrate.

• Coenzymes

• Cocatalysts

• Substrate

• Cofactors

The ____________ model of enzyme action states that enzymes are specific to one substrate.

• Pythagorean

• Induced Fit

• Key and Lock

• Magnified

The _______________ model of enzyme action states that enzymes change shape slightly when they bind to their substrate.

• Magnified

• Induced Fit

• Key and Lock

• Pythagorean