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1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

3. Energy & Cell Processes

Introduction to DNA Replication

Anatomy & Physiology

3. Energy & Cell Processes

Introduction to DNA Replication

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Problem L3.1g

Textbook Question

Write a single sentence, using no more than 25 words, to summarize each of the following cellular processes:
DNA synthesis

Verified step by step guidance

Understand that DNA synthesis is the process of creating a new DNA strand during cell replication, ensuring genetic information is accurately copied.

Recognize that DNA synthesis occurs during the S phase of the cell cycle, involving enzymes like DNA polymerase and helicase.

Learn that helicase unwinds the DNA double helix, creating a replication fork for the synthesis of new complementary strands.

Explore how DNA polymerase adds nucleotides to the growing strand, following base-pairing rules (A-T and G-C) to ensure accurate replication.

Summarize the process in a concise sentence: 'DNA synthesis is the enzymatic replication of DNA, ensuring genetic fidelity during cell division.'

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

DNA Synthesis

DNA synthesis is the biological process of creating a new DNA strand from nucleotides, essential for cell replication and repair.

Nucleotides

Nucleotides are the building blocks of DNA, consisting of a sugar, phosphate group, and nitrogenous base, which pair to form the DNA double helix.

Enzymes in DNA Synthesis

Enzymes like DNA polymerase play a crucial role in DNA synthesis by catalyzing the addition of nucleotides to the growing DNA strand.

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Related Practice

Textbook Question

Describe the process of DNA replication: the ingredients needed, the steps in the process, and the final product.

Analyze the following statements about DNA synthesis. Select True or False for each statement.T/FAn RNA polymerase is essential for DNA synthesis.T/FOkazaki fragments would be unnecessary if DNA polymerase could synthesize DNA in both the 3'→5' and 5'→3' directions.T/FDNA ligase is used more frequently on the lagging strand than on the leading strand.T/FToposiomerase is required to separate the two strands of DNA at the replication fork.

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Textbook Question

A biochemist isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. When she adds some DNA to the mixture, replication occurs, but each DNA molecule consists of a normal strand paired with numerous segments of DNA a few hundred nucleotides long. What has she probably left out of the mixture?a. DNA polymeraseb. DNA ligasec. Okazaki fragmentsd. primase

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Textbook Question

Mark the following statements about the cell cycle as true or false. If a statement is false, correct it to make a true statement.

The main enzyme that builds the new DNA strands during DNA synthesis is RNA synthetase.

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Multiple Choice

Which of the following is incorrect regarding DNA replication forks?

What is the function of the enzyme topoisomerase in DNA replication?

Which of the following attributes of DNA is most crucial to its accurate duplication?

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Multiple Choice

During the replication of DNA, __________.

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Write a single sentence, using no more than 25 words, to summarize each of the following cellular processes:DNA synthesis

Key Concepts

DNA Synthesis

Nucleotides

Enzymes in DNA Synthesis

Watch next

Write a single sentence, using no more than 25 words, to summarize each of the following cellular processes:
DNA synthesis