AP Biology Unit 1 Review

Front

What type of chemical bond involves the transfer of electrons from one atom to another?

Back

Ionic bond

Front

Why is water considered polar?

Back

Because of polar covalent bonds in its structure.

Front

Which macromolecule contains phosphorus?

Back

Nucleic Acids

Front

What is the pairing and number of bonds in a DNA double helix?

Back

A pairs with T (2 bonds) & G pairs with C (3 bonds).

Front

What is NOT a difference between DNA and RNA?

Back

Phosphate Group.

Front

Define a covalent bond.

Back

A chemical bond formed by the sharing of electrons between atoms.

Front

What is the primary function of nucleic acids?

Back

To store and transmit genetic information.

Front

What are the two types of nitrogenous bases in DNA?

Back

Purines (Adenine and Guanine) and Pyrimidines (Cytosine and Thymine).

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions.

Front

What is the significance of the double helix structure of DNA?

Back

It allows for the stable storage of genetic information and replication.