Unit 2 Review Bio Chemistry

Substrates bind to the _____________ on the enzyme?

• key site

• active site

• lock and key site

• allosteric site

Which of the following can affect the rate at which enzymes can operate?

• pH

• substrate concentration

• temperature

• all of these

When an endothermic chemical reaction takes place, heat is released into the environment.

• True

• False

Catalysts (enzymes) ______________ reactions

• speed up

• slow down

An enzyme can change its shape (become denatured) and not work right when .......

• exposed to extremes in temperature

• exposed to extremes in pH

• exposed to optimum conditions

• exposed to extremes in pH and/or temperature

Label part A of the enzyme-substrate complex.

• enzyme
• substrate
• products
• active site

Label Part B of the enzyme-substrate omplex.

• enzyme
• substrate
• products
• active site

Label Part C of the enzyme-substrate complex.

• enzyme
• substrate
• products
• active site

Label part D of the enzyme-substrate complex.

• enzyme
• substrate
• products
• active site

The “things” you start with in a chemical reaction.

• Elements

• Compounds

• Products

• Reactants