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

Prokaryotic & Eukaryotic Cells

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Prokaryotic & Eukaryotic Cells

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Problem 2

Textbook Question

List the structural features in a prokaryotic cell.

Verified step by step guidance

Identify the structural features of a prokaryotic cell, which typically include the cell wall, plasma membrane, cytoplasm, ribosomes, and genetic material (nucleoid).

Note that the provided image is of a eukaryotic cell, as it contains membrane-bound organelles such as the nucleus, mitochondria, and Golgi apparatus.

For a prokaryotic cell, focus on the absence of membrane-bound organelles and the presence of simpler structures.

List the key features of a prokaryotic cell: 1. Cell wall, 2. Plasma membrane, 3. Cytoplasm, 4. Ribosomes, 5. Nucleoid (region containing DNA).

Understand that prokaryotic cells may also have additional structures such as flagella, pili, and plasmids, which are not present in the provided eukaryotic cell image.

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Key Concepts

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

Prokaryotic Cell Structure

Prokaryotic cells are characterized by their lack of a membrane-bound nucleus and organelles. Instead, their genetic material is located in a region called the nucleoid. They typically have a simpler structure compared to eukaryotic cells, which allows for rapid reproduction and adaptability in various environments.

Cell Membrane

The cell membrane, or plasma membrane, is a crucial structural feature of prokaryotic cells, acting as a barrier that regulates the entry and exit of substances. It is composed of a phospholipid bilayer with embedded proteins, which facilitate transport and communication. This selective permeability is vital for maintaining homeostasis within the cell.

Ribosomes

Ribosomes are essential structures found in prokaryotic cells, responsible for protein synthesis. They are composed of ribosomal RNA and proteins, and unlike eukaryotic ribosomes, prokaryotic ribosomes are smaller and float freely in the cytoplasm. Their presence is critical for the cell's ability to produce the proteins necessary for growth and function.