Table of contents

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

Steps of Translation

Anatomy & Physiology

3. Energy & Cell Processes

Steps of Translation

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2:18 minutes

Problem 9

Textbook Question

The RNA synthesized on one of the DNA strands is:
a. mRNA
b. tRNA
c. rRNA
d. all of these.

Verified step by step guidance

Understand the role of DNA in transcription: DNA serves as a template for the synthesis of RNA during the process of transcription. This occurs in the nucleus of eukaryotic cells.

Learn about the types of RNA: There are three main types of RNA synthesized during transcription—messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). Each type has a specific function in protein synthesis.

Focus on mRNA: mRNA is synthesized directly from the DNA template and carries the genetic code from the nucleus to the ribosome for translation into a protein.

Understand tRNA and rRNA synthesis: tRNA and rRNA are also synthesized from DNA templates, but they have different roles. tRNA helps transfer amino acids during translation, while rRNA forms part of the ribosome structure.

Conclude that all three types of RNA (mRNA, tRNA, and rRNA) are synthesized from DNA templates, making the correct answer 'd. all of these.'

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Key Concepts

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

Transcription

Transcription is the process by which RNA is synthesized from a DNA template. During this process, one of the DNA strands serves as a template for the formation of RNA, which can be messenger RNA (mRNA), transfer RNA (tRNA), or ribosomal RNA (rRNA), depending on the specific genes being expressed.

Types of RNA

There are several types of RNA, each serving distinct functions in the cell. mRNA carries genetic information from DNA to the ribosome for protein synthesis, tRNA transports amino acids to the ribosome during translation, and rRNA is a structural component of ribosomes, facilitating the assembly of proteins.

Gene Expression

Gene expression refers to the process by which information from a gene is used to synthesize functional gene products, typically proteins. This process involves transcription and translation, and the type of RNA produced during transcription is crucial for determining the outcome of gene expression.