DNA Replication Worksheet
Explore the process of DNA replication, including key enzymes, steps, and its importance in heredity.
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DNA Replication Worksheet
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Read each question carefully and answer to the best of your ability. Refer to your notes or textbook if needed.
1. Which enzyme is responsible for unwinding the DNA double helix during replication?
DNA ligase
DNA polymerase
Helicase
Primase
2. What is the main function of DNA replication?
To produce RNA
To synthesize proteins
To create an identical copy of DNA
To break down DNA
3. DNA replication is described as , meaning each new DNA molecule consists of one original strand and one newly synthesized strand.
4. The enzyme that adds new nucleotides to the growing DNA strand is .
5. The short segments of DNA synthesized on the lagging strand are called fragments.
6. Briefly explain the role of DNA helicase and DNA ligase in DNA replication.
7. Observe the diagram of a DNA replication fork below and answer the following questions.
a) Identify the leading strand and the lagging strand in the diagram.
b) In which direction does DNA polymerase synthesize new DNA strands?
8. Okazaki fragments are found on the leading strand during DNA replication.
True
False
Use the words below to complete the sentences.
9. The Y-shaped region where DNA strands are separated is called the .
10. DNA polymerase adds complementary to the template strand.
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