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 Blanks

In DNA, A (adenine) always pairs with

.

Fill in the Blanks

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 Blanks

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

Fill in the Blanks

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