DNA Structure & Replication

Match the following

• nitrogenous bases

• 
• deoxyribose sugar

• 
• DNA

• 
• nucleotide

• 

Tags

NGSS.HS-LS1-1

Reorder the following steps of DNA replication

• DNA polymerase adds complementary bases to the original strands

• An enzyme (helicase) unzips the DNA double helix

• 2 identical copies of DNA now exist but they are semi-conservative

• Each separated strand is now a template for replication

Complete the missing fields of the table using your knowledge of DNA structure.

c

a

31

62

19

38

Tags

NGSS.HS-LS1-1

Label the nucleotide

a

b

c

Phosphate

Sugar

Nitrogenous base