CHP 3: The energy of life

Enzymes are capable of increasing the rate of a chemical reaction within a living cell.  Enzymes accomplish this through which of the following means?

• reducing the number of products   
• reducing the activation energy
• increasing the temperature of the cell
• increasing the concentration of reactants 

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

What is structure A?

• Substrate
• Active site
• Enzyme
• Products

Tags

NGSS.MS-LS1-7

What is structure C?

• Substrate
• Active site
• Enzyme
• Products

Tags

NGSS.MS-PS1-5

What is structure E, F, G?

• Substrate
• Active site
• Enzyme
• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How do enzymes speed up chemical reaction?

• Increasing activation energy
• Decreasing activation energy
• Increasing deactivation energy
• Decreasing deactivation energy

What is a substance called if it speeds up a chemical reaction?

• reusable
• catalyst
• specific
• fragile

Any substance that is acted upon by an enzyme is called a(n)?

• Coenzyme
• Substrate
• Vitamin
• Polypeptide

Enzymes are not used up by reactions

• True

• False

The main source of energy for all life comes from ____.

• the Earth
• the moon
• the sun
• the food we eat/make

Tags

NGSS.HS-ESS1-1

NGSS.HS-LS1-5

NGSS.HS-LS2-5

The reactants of photosynthesis are

• sugar and water.
• sugar and oxygen.
• carbon dioxide, light and water.
• carbon dioxide and oxygen.

Tags

NGSS.MS-LS1-6