Unit 1 AP Biology Insta-Review (Chemistry of Life)

Front

Hydrophilic side chains will fold ___ of the polypeptide.

Back

Towards the exterior

Front

If R group is polar, how does the section fold? Why?

Back

Folds out because hydrophilic

Front

The tertiary structure involves interactions of the ___

Back

R group

Front

What type of bond is found between water molecules?

Back

Hydrogen

Front

How does the phosphate differ between DNA and RNA?

Back

There is no difference

Front

Define hydrophilic.

Back

Substances that are attracted to water and can dissolve in it.

Front

Define hydrophobic.

Back

Substances that repel water and do not dissolve in it.

Front

What is the primary structure of a protein?

Back

The sequence of amino acids in a polypeptide chain.

Front

What role do hydrogen bonds play in water's properties?

Back

They contribute to water's high surface tension and boiling point.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains deoxyribose; RNA is single-stranded and contains ribose.