Enzymes Quiz

A chemical (a)   is a process that (b)   one set of chemicals into another.

• solution
• does not change
• reaction
• changes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Reactants go ______ a chemical reaction.

• into

• out of

• around

• beside

Tags

NGSS.MS-PS1-2

Products come ______ a chemical reaction.

• out of

• prior to

• before

• inside

Tags

NGSS.MS-PS1-5

Chemical reactions always involve (a)   bonds in reactants and forming (b)   bonds in products.

• breaking
• new
• forming
• old

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Chemical reactions also involve changes in ______.

• energy

• temperature

• pressure

• volume

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

_______ ______ - The energy needed to get a reaction started.

• Activation energy

• Potential energy

• Maximum power

• Negative energy

Catalyst - a substance that ______ the rate of chemical reactions.

• speeds up

• slows down

• stops

• has no effect on

Tags

NGSS.HS-PS1-5

Enzymes - proteins that act as biological ______.

• catalysts

• inhibitors

• substrates

• products

How do enzymes speed up reactions that take place in a cell?

True or false:

Enzymes are very specific.

• true

• false