DNA Structure Practice

DNA Structure Practice

Biology Unit 4

Draw

Draw a circle around a nucleotide.

Multiple Choice

Which part of the nucleotide represents the phosphate?

• A

• B

• C

Multiple Choice

Which part of the nucleotide represents the nitrogen base?

• A

• B

• C

Multiple Choice

Which part of the nucleotide represents the sugar

• A

• B

• C

Multiple Choice

This DNA is being replicated. What enzyme is helping to unzip the DNA?

• DNA Polymerase

• Helicase

• Lipase

• Catalase