Metabolism, pH, and Enzymes

In an Exergonic reaction, heat is ________.

• Absorbed
• Created
• Destroyed
• Released

Tags

NGSS.HS-PS1-4

In an Endergonic reaction, heat is ________.

• Released 
• Absorbed
• Created
• Destroyed

Tags

NGSS.HS-PS1-4

What are all of the chemical reactions that occur within an
organism referred to?

• Enzymes
• Macromolecules
• Metabolism
• Activation Energy

Tags

NGSS.HS-LS1-6

NGSS.HS-LS1-7

NGSS.HS-LS2-3

NGSS.HS-LS2-5

What is the energy needed to start an chemical reaction referred to?

• Cascading Energy
• Potential Energy 
• Kinetic Energy
• Activation energy

Tags

NGSS.HS-PS1-4

The enzyme known as ‘catalase’ is involved in the breakdown of hydrogen peroxide molecules into separate water and oxygen molecules. During this reaction, what happens to the ‘catalase’?

• The enzyme would become products: O2 and H20
  
• The enzyme would be fully used up and discarded.
• The enzyme would remain unchanged in any way.
• The enzyme would become a new type of enzyme.

What is being represented by the letter A in the image?

• Substrate
• Enzyme
• Product
• Complex

What is being represented by the letter B in the image?

• Substrate
• Enzyme
• Substrate
• Product

Tags

NGSS.MS-LS1-7

If an enzyme becomes over heated what effect, if any, will the heat have on the enzymatic activity? 

• The enzyme will not store much chemical energy.
• The enzyme will not be able to catalyze reactions.
• The enzyme will lose its net electrical charge.
• The enzyme will lose stored genetic information.

REVIEW: A scientist analyzing an unknown substance has determined that it consists of carbon, hydrogen and oxygen. During experimentation, she determines that the substance is soluble in oil but not in water. Which of the following macromolecules is the unknown substance most likely to be?

• carbohydrate
• nucleic acid
• lipid
• protein

Tags

NGSS.HS-LS1-6

REVIEW: Which of the four major biological macromolecules can be easily identified by the nitrogen base found in its structure?

• Carbohydrate
• Protein
• Lipid
• Nucleic Acid