Biochemistry Unit Notes Practice

Open Ended

In at least one COMPLETE sentence, answer the question:

What is an atom?

• * This should be the first question on the "Research" section of the lab report paper, but there was a typo. Please change the question and answer it in the Research box.

Multiple Choice

When do electrons jump to higher energy levels?

• As they absorb energy

• As they lose energy

• As they emit energy

• As they bump into one another

Multiple Choice

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Multiple Choice

Ionic bonds are formed when electrons get

• Shared between two atoms

• Removed from both atoms

• Transferred from one atom to another

• Added to both atoms

Open Ended

Describe how a covalent bond forms, using the diagram provided.

Categorize

Options (7)

Decide if these molecules are polar or nonpolar based on their molecular symmetry.

Polar Molecule

Nonpolar Molecule

Multiple Choice

What are the three important properties of water that hydrogen bonds are responsible for?

• High specific heat

• Cohesion

• Adhesion

• Density