Biochemistry Review

Surface tension of water is the cohesive force between water molecule and other molecule.

• True

• False

Water exists in this forms :

• Gas

• Plasma

• Liquid

• Solid

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Water is a compound that consist of 3 atom which is 2 atom oxygen and 1 atom hydrogen

• True

• False

In a water molecule the hydrogen and oxygen atoms hold together by sharing _________.

• protons 
• neutrons
• electrons
• nuclei

Tags

NGSS.HS-PS1-1

When a molecule has an opposite electrical charge on each end, it is known as what?

• cohesion
• polar molecule
• hydrogen bond
• solution

Tags

NGSS.HS-PS1-3

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

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

Which compound is organic?

• C₆H₁₂O₆

• CO₂

Tags

NGSS.HS-LS1-6

Which is true about biomolecules?

• biomolecules are non living molecules that contain carbon

• biomolecules are living molecules that contain carbon

• biomolecules are non living molecules that contain oxygen only

• biomolecules are living molecules that contain carbon only