For questions 1-5, complete each statement by writing the correct word or
words.

1. The building blocks of DNA are

2. Nucleotides in DNA are made of three basic components: a sugar called
, and a nitrogenous

3. DNA contains four kinds of nitrogenous bases:
, and

4. In DNA, can be joined in any order.

5. The nucleotides in DNA are joined by
bonds.