Macromolecules and Properties of Water Quiz

Which macromolecule is the main source of energy for living organisms?

• nucleic acids

• lipids

• carbohydrates

• proteins

Tags

NGSS.MS-LS1-7

What is the function of lipids in the body?

• Lipids help in muscle contraction and movement in the body.

• Lipids serve as a source of energy, insulation, and protection for organs in the body.

• Lipids assist in the transportation of oxygen in the body.

• Lipids aid in the production of hormones and cell membranes.

What are the building blocks of proteins?

• carbohydrates

• lipids

• nucleic acids

• amino acids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which macromolecule stores and transmits genetic information?

• RNA

• DNA

• Protein

• Carbohydrate

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What type of bond is formed between two water molecules?

• hydrogen bond

• polar bond

• covalent bond

• ionic bond

What is the chemical formula for glucose?

• C6H6O6

• C6H10O5

• C12H24O12

• C6H12O6

Which macromolecule is composed of nucleotides?

• Protein

• Carbohydrate

• Lipid

• DNA

What property of water allows it to stick to other substances?

• adhesion

• cohesion

• repulsion

• evaporation

Tags

NGSS.HS-ESS2-5

What is the primary function of enzymes in biological systems?

• Transport of molecules

• Catalysis of chemical reactions

• Regulation of gene expression

• Structural support

What is the pH of pure water?

• 2

• 10

• 7

• 5