DNA Replication Review

Which of the following units are repeatedly joined together to form a strand of DNA?

• Amino Acids

• Nucleotides

• Fatty Acids

• Polysaccharides

In what phase of the cell cycle does DNA replication take place?

• G1

• S

• G2

• Prophase

Why does DNA replicate?

• To create a duplicate copy in case the original gets damaged

• New cells will have a copy of the DNA

• To create a new copy to replace the damaged original

Nitrogen bases are joined by which type of bond?

• polar bonds

• hydrogen bonds

• phosphate bonds

• deoxyribose bonds

Adenine bonds with _____

• Cytosine

• Thymine

• Guanine

• Uracil

Cytosine bonds with ____

• Adenine

• Thymine

• Guanine

• Uracil

What does DNA stand for?

• Deoxyribonucleic acid

• Denitrogenous acid

• Deribonucleic acid

• Diribonucleic acid

The enzyme that unwinds the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

Which enzyme is responsible for adding nucleotides?

• Topoisomerase
• DNA Polymerase
• Ligase
• Primase

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose