DNA Replication Worksheet
A Grade 11 science worksheet covering the process of DNA replication, including key enzymes, steps, and related concepts.
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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 and textbook if needed.
Use the words below to complete the sentences.
1. DNA replication is described as because each new DNA molecule consists of one original strand and one newly synthesized strand.
2. The enzyme unwinds the DNA double helix.
3. The enzyme adds new nucleotides to the growing DNA strand.
4. Short segments of DNA synthesized on the lagging strand are called .
5. A short RNA segment called a is required to start DNA synthesis.
1. Which of the following enzymes is responsible for joining Okazaki fragments?
DNA Polymerase
Helicase
Ligase
Primase
2. In which direction does DNA Polymerase synthesize new DNA strands?
3' to 5'
5' to 3'
Both a and b
Randomly
1. The leading strand is synthesized continuously towards the replication fork.
True
False
2. DNA replication occurs during the M phase of the cell cycle.
True
False
1. Describe the role of the replication fork in DNA replication. (Include the image provided)
2. Explain why DNA replication is considered semi-conservative.