Unit-1 Review

Which of the following does not result from hydrogen bonding in water molecules?

• Cohesion

• Adhesion

• Surface Tension

• Dissolving fats

Why is water considered polar?

• Nonpolar covalent bonds in structure

• Ionic bonds in structure

• Polar covalent bonds in structure

• Hydrophobic interaction in structure

Which macromolecule(s) have nitrogen?

• Carbohydrates

• Proteins

• Nucleic Acids

• Nucleic Acids & Proteins

Which macromolecule(s) have phosphorus?

• Carbohydrates

• Proteins

• Nucleic Acids

• Fats

Which macromolecule(s) have sulfur?

• Carbohydrates

• Proteins

• Nucleic Acids

• Fats

Describes the forming of a bond between monomers with the removal of a water molecule.

• Hydrolysis

• Dehydration

Describes the breaking of a bond within a polymer using water.

• Hydrolysis

• Dehydration

Which of the following is NOT in the monomer of a nucleic acid?

• pentose sugar

• nitrogenous base

• phosphate

• amino acid

Which of the following is NOT in the monomer of a protein?

• Amine Group

• R Group

• Carboxyl Group

• Nitrogenous Base

Describe the orientation of the phospholipids in the membrane.

• Phospholipids orient in bilayer with hydrophilic heads on exterior

• Phospholipids orient in monolayer with hydrophilic head on extracellular

• Phospholipids orient in bilayer with hydrophobic tails on exterior

• Phospholipids orient in monolayer with hydrophobic tails on extracellular