H Animal Nutrition - Macromolecules

A substance is called (a)   if it speeds up a chemical reaction.

• reusable
• catalyst
• specific
• fragile

The optimum pH of the enzyme is (a)   .

• 6.6
  
• 5.8
  
• 5.0 to 9.0
  
• around pH of 8.0 .
  

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

• Coenzyme
• Substrate
• Vitamin
• Polypeptide

Enzymes are a type of (macromolecule)

(a)  

Tags

NGSS.HS-LS1-1

An enzyme speeds up a chemical reaction in the cell but can only be used once. True or False? 

• True

• False

When enzymes are heated to a high temperature, (a)  

• The enzymes die.
• The shapes of the enzyme are altered
• The enzymes' amino acid sequence changes
• The enzymes remain the same

Enzymes speed up reaction rates by changing the (a)  

• Activation Energy
• pH
• Hydrogen Bonds
• Kinetic Energy

Tags

NGSS.HS-PS1-2

Match the letter with the correct description

• B

• enzyme

• E

• active site
• C

• substrate
• D

• products

In a chemical reaction, (a)   are what you have at the end

• Products
• Molecules
• Reactants
• Substances

Tags

NGSS.HS-PS1-6

Macromolecules are ​ (a)   molecules that cells need.

• tiny
• large

Tags

NGSS.HS-LS1-6