# data[].attributes.body
Carbohydrates store energy and provide structural support.
Lipids store energy and create barriers.
Proteins transport substances, speed up reactions, provide support, and generate hormones.
Nucleic Acids store genetic information.

# data[].attributes.body
Most of the processes performed by cells need a pH level of 6.5 - 7.5 to occur. By buffering, cells neutralize acids or bases to keep the pH within 6.5 - 7.5 and maintain homeostasis.

# data[].attributes.body
It's polarity and charge causes hydrogen bonds to form that allows it to be classified as a solvent.

# data[].attributes.body
A chemical reaction is the process by which atoms are reorganized into different substances. Energy in the form of heat is needed to speed up a chemical reaction.

# data[].attributes.body
The structure of water, H2O, contributes to its unique properties. It has a positive charge on hydrogen atoms and a negative charge in oxygen atoms. That results in it being bent.

# data[].attributes.body
The polar bear's habitat consists of ice bergs, snow, and very cold water.

# data[].attributes.headline
Why is it important for cells to buffer solutions against rapid changes in pH?

# data[].attributes.subject
Why is it important for cells to buffer solutions against rapid changes in pH?

# data[].attributes.headline
How does water's polarity influence it's properties as a solvent?

# data[].attributes.subject
How does water's polarity influence it's properties as a solvent?

# data[].attributes.headline
What are the functions of each of the four groups of macromolecules? (List each macromolecule and it's function, include image/video for each

# data[].attributes.subject
What are the functions of each of the four groups of macromolecules? (List each macromolecule and it's function, include image/video for each

# data[].attributes.headline
Explain what a chemical reaction is. What factor speeds up the rate of a chemical reaction?

# data[].attributes.subject
Explain what a chemical reaction is. What factor speeds up the rate of a chemical reaction?

# data[].attributes.headline
How does the structure of water contribute to its unique properties?

# data[].attributes.subject
How does the structure of water contribute to its unique properties?

# data[].attributes.headline
Warmup: What does this polar bear's habitat consist of?

# data[].attributes.subject
Warmup: What does this polar bear's habitat consist of?