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

Fill in the Blank

In DNA, A (adenine) always pairs with _____.

Fill in the Blank

In DNA, C (cytosine) always pairs with _____

Multiple Choice

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

• DNA Polymerase

• Helicase

• Lipase

• Catalase

Fill in the Blank

DNA is being replicated. If one side reads ATGCG, what will the other side read?

Fill in the Blank

DNA is being replicated. If one side reads GGATC, what will the other side read?