Properties of Water and Biomolecules

What type of molecule is water considered due to its unequal ionic bonds?

• Nonpolar molecule

• Hydrophobic molecule

• Polar molecule

• Organic molecule

Attractions between water molecules are called

• Covalent bonds

• Ionic bonds

• Polar bonds

• Hydrogen bonds

What word describes when water is attracted to other substances?

• cohesion

• adhesion

• capillary action

• surface tension

When water molecules stick easily to other water molecules, this is called what?

• cohesion

• adhesion

• solution

• polar molecule

Cohesion is the attraction between molecules of the ______ substance.

• Same

• Different

• Opposite

• Neutral

At a pH of 7, the concentration of H+ ions and OH- ions is:

• Equal

• H+ is greater

• OH- is greater

• None of the above

What property of water allows it to dissolve many substances?

• Cohesion

• Adhesion

• Polarity

• Viscosity

Which of the following is a primary function of carbohydrates in living organisms?

• Energy storage

• Genetic information

• Catalyzing reactions

• Structural support

Tags

NGSS.MS-LS2-3

What is the term for the attraction between water molecules and other types of molecules?

• Cohesion

• Adhesion

• Surface tension

• Capillarity

Which biomolecule is primarily responsible for storing genetic information?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

Tags

NGSS.HS-LS3-2