DNA Structure and Replication

Front

Adenine bonds with ______________.

Back

Thymine

Front

Guanine bonds with ______________.

Back

Cytosine

Front

Which 2 molecules form the sides (backbone) of the DNA ladder? Options: deoxyribose sugar and adenine, deoxyribose sugar and a hydrogen bond, deoxyribose sugar and the nucleus, deoxyribose sugar and phosphate

Back

deoxyribose sugar and phosphate

Front

Nitrogenous bases are joined by which type of bond? Options: polar bonds, ionic bonds, covalent bonds, hydrogen bonds

Back

hydrogen bonds

Front

The enzyme that unzips the DNA to prepare for replication

Back

helicase

Front

A process in which DNA has the unique ability to make an exact copy of itself.

Back

Replication

Front

Which units are repeatedly joined to form a strand of DNA? Options: amino acids, nucleotides, fatty acids, polysaccharides

Back

nucleotides

Front

What are the nucleotides made of?

Back

Sugar, Phosphate, nitrogen base

Front

Which enzyme fixes the Okazaki fragments in the lagging strand? Options: Helicase, Polymerase, Ligase, Primerase

Back

Ligase

Front

Matching DNA strand for 3' A A A T T T C 5'

Back

5' T T T A A A G 3'