Unit 1

Water is the universal _____. It shares electrons unequally, having  both positive and negative ends. This makes  it ______.

• solvent, covalent

• solute, ionic

• solvent, polar

• solute, polar

• solvent, ionic

Glucose and fructose are examples of _________.

• Amino Acids

• Monosaccharides

• Nucleotides

• Lipids

By definition, an organic compound MUST be made up of which elements?

• C, H, O, N, P, S

• C, H, O, N, P

• C, H, O

• C, H, O, N

This picture most likely represents a

• Carbohydrate

• Lipid

• Protein

• Nucleic Acid

The picture shows the results of multiple Benedict’s tests. Which tubes are considered a positive result?

• A and E

• B, C, and D

• B, C, D, and E

• B and C

• C and D

The picture shows the results of multiple Biruet tests. Biruet can indicate the presence of which organic compound? 

• Carbohydrate

• Lipid

• Protein

• Nucleic Acid

The attraction of a water molecule to a substance other than itself is called________.

• Adhesion

• Cohesion

• Surface Tension

• Capillary Action

The Oxygen and Hydrogen atoms in one water molecule are held together by what type of bond?

• Polar Covalent

• Nonpolar Covalent

• Hydrogen

• Ionic

The bond between two different water molecules is a/an _____________. 

• Polar Covalent

• Nonpolar Covalent

• Hydrogen

• Ionic

In the macromolecule lab, a positive iodine test is identified by ___________.

• A light purple

• Any color change from blue

• Orange or Red color change

• Dark Purple or Black color change

• No color change