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

Front

What property of water allows aquatic life to survive winter?

Back

Less Dense as Solid

Front

What interactions are involved in the tertiary structure of proteins?

Back

R group interactions

Front

What is found at the 5’ end of a DNA strand?

Back

Phosphate group

Front

What is at the 5' end of a nucleic acid?

Back

Phosphate group

Front

How many hydrogen bonds form between adenine (A) and thymine (T)?

Back

2 hydrogen bonds

Front

What is the primary structure of a protein?

Back

The sequence of amino acids in a polypeptide chain.

Front

What is the role of hydrogen bonds in DNA structure?

Back

They hold the two strands of DNA together.

Front

What is the difference between saturated and unsaturated fats?

Back

Saturated fats have no double bonds between carbon atoms; unsaturated fats have one or more double bonds.

Front

What is the function of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions.

Front

What is the significance of the pH scale in biology?

Back

It measures the acidity or basicity of a solution, affecting enzyme activity and biological processes.