Biochemistry Pre-Test

Which property of water protects aquatic organisms from cold air temperatures in the winter?

• Surface tension

• Cohesion

• Less dense as a solid

• Adhesion

Which property of water allows water to carry important substances through the bloodstream?

• Universal solvent

• Less dense as a solid

• Surface tension

• High specific heat

Which property of water keeps the ocean temperature more stable than the temperature of the sand on the beach?

• Cohesion

• Adhesion

• Universal solvent

• High specific heat

Which property of water allows water to defy (resist) gravity and travel upwards from the roots to the leaves?

• High specific heat

• Surface tension

• Capillary action

• Less dense as a solid

Tags

NGSS.MS-ESS2-4

On a pH scale, higher numbers indicate...

• The solution is neutral

• The solution is basic

• The solution is acidic

The building blocks of organic compounds are called...

• Monomers

• Polymers

• Polygons

• Monosaccharides

_________ are used as sources of quick energy for our cells.

• Proteins

• Carbohydrates

• Lipids

• Nucleic Acids

Nuts, butter and waxes are examples of

• Proteins

• Lipids

• Carbohydrates

• Nucleic Acids

Enzymes are a special type of reactions.

• Proteins

• Lipids

• Carbohydrates

• Nucleic Acids

Tags

NGSS.HS-LS1-1

The part of the substrate where the enzyme binds to is called the

• Enzyme

• Product

• Active site

• Substrate