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 Heart2h 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

Endocytosis and Exocytosis

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Endocytosis and Exocytosis

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Multiple Choice

Which of the following is NOT a true statement regarding exocytosis?

It forms intracellular vesicles from inward folding of the plasma membrane.

It requires fusion of vesicles with the plasma membrane.

It secretes large molecules out of the cell.

It is responsible for removing large waste particles that cannot be recycled by the cell.

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Verified step by step guidance

Understand the process of exocytosis: Exocytosis is a cellular process where materials are exported out of the cell. It involves the fusion of vesicles with the plasma membrane to release their contents outside the cell.

Identify the key characteristics of exocytosis: It requires energy, typically in the form of ATP, and involves the movement of large molecules or particles, such as proteins or waste, out of the cell.

Analyze the given statements: Compare each statement with the known characteristics of exocytosis. The statement that does not align with these characteristics is likely the incorrect one.

Evaluate the statement about vesicle formation: Exocytosis does not involve the formation of vesicles from the inward folding of the plasma membrane. This process is characteristic of endocytosis, not exocytosis.

Conclude which statement is NOT true: Based on the analysis, the statement 'It forms intracellular vesicles from inward folding of the plasma membrane' is not true for exocytosis, as this describes endocytosis.