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

2. Cell Chemistry & Cell Components

Introduction to Eukaryotic Organelles

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to Eukaryotic Organelles

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Multiple Choice

Which of the following statements about ribosomes is false?

Ribosomes are membrane-bound organelles.

Ribosomes can be found in both prokaryotic and eukaryotic cells.

Ribosomes can be free-floating in the cytoplasm or attached to the endoplasmic reticulum.

Ribosomes are responsible for protein synthesis.

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Verified step by step guidance

Understand the structure and function of ribosomes: Ribosomes are complex molecular machines found within all living cells, responsible for synthesizing proteins by translating messenger RNA (mRNA).

Identify the nature of ribosomes: Ribosomes are not membrane-bound organelles. They are composed of ribosomal RNA (rRNA) and proteins, forming two subunits that come together during protein synthesis.

Recognize the presence of ribosomes in different cell types: Ribosomes are present in both prokaryotic and eukaryotic cells, highlighting their fundamental role in cellular biology.

Distinguish the locations of ribosomes within cells: Ribosomes can be free-floating in the cytoplasm or attached to the endoplasmic reticulum, where they are involved in synthesizing proteins destined for secretion or for use within the cell membrane.

Clarify the primary function of ribosomes: Ribosomes are essential for protein synthesis, translating genetic information from mRNA into polypeptide chains, which then fold into functional proteins.