Macromolecules Review

Front

What macromolecule stores hereditary information?

Back

Nucleic acids

Answer explanation

Nucleic acids, DNA and RNA are responsible for storing the cell's hereditary information.

Tags

HS-LS1-6

Front

Which element is found in proteins but not in carbohydrates or lipids? Options: Oxygen, Nitrogen, Hydrogen, Carbon

Back

Nitrogen

Answer explanation

Carbohydrates: CHO

Lipids: CHO

Proteins: CHON

Nucleic acids: CHONP

Tags

HS-LS1-6

Front

Which of the following is an example of a carbohydrate?

Cellulose

,

Oil

,

Enzyme

,

RNA

Back

Cellulose

Answer explanation

Many carbohydrates have names that end in -ose.

Cellulose

Glucose

Fructose

Amylose... etc.

Tags

HS-LS1-6

Front

Which of the following is a function of carbohydrates?

• Providing structure in a plant's cell wall
• Creating the hydrophobic barrier of the plasma membrane
• Sending signals from glands like the thyroid to communicate with other cells
• Store hereditary information that is passed down from parents to offspring

Back

Providing structure in a plant's cell wall

Answer explanation

Cellulose is the carbohydrate that provides structure to a plant's cell wall.

Chitin is another carbohydrates found in the cell wall of fungi.

Tags

HS-LS1-6

Front

Which of the following is a function of a protein?

• Provide short term energy
• Speed up chemical reactions
• Store hereditary information
• Warmth / insulation

Back

Speed up chemical reactions

Answer explanation

Enzymes are proteins that speed up chemical reactions

Tags

HS-LS1-6