AP Unit 1 Review

The electrons in a polar covalent molecule are shared...

• Evenly

• Unevenly

• Electrons are not shared

• None of the Above

Is this molecule polar or non-polar?

• Polar

• Non-polar

Tags

NGSS.HS-PS1-2

Which of the following is a polar molecule?

• CH₄

• Xe

• H₂O

• CO₂

A product that contains lots of hydrogenated oils is probably rich in:

• Saturated fat

• Unsaturated fat

• Monosaturated fat

• Trans fat

Identity the structure:

• Carbohydrate

• Lipid

• Nucleic Acid

• Protein

Identity the structure:

• Carbohydrate

• Lipid

• Nucleic Acid

• Protein

Tags

NGSS.HS-LS1-1

Identity the structure:

• Carbohydrate

• Lipid

• Nucleic Acid

• Protein

Tags

NGSS.HS-LS1-6

Identity the structure:

• Carbohydrate

• Lipid

• Nucleic Acid

• Protein

If cells are grown in a medium containing radioactive ¹⁵N, which of these molecules will be labeled?

• both proteins and nucleic acids

• proteins only

• amylase only

• nucleic acids only

Which of the following best summarizes the relationship between dehydration reactions and hydrolysis?

• Dehydration reactions eliminate water from lipid membranes, and hydrolysis makes lipid membranes water permeable.

• Dehydration reactions ionize water molecules and add hydroxyl groups to polymers; hydrolysis reactions release hydroxyl groups from polymers.

• Dehydration reactions assemble polymers, and hydrolysis reactions break down polymers.

• Dehydration reactions can occur only after hydrolysis.