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Ch. 12 The Central Nervous System
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Amerman 3rd EditionCh. 12 The Central Nervous System문제 4a
12장, 문제 4a

Mark the following statements as true or false. If the statement is false, correct it to make it a true statement.
Aggregates of Golgi apparatus and lysosomes form dark-staining Nissl bodies within the cell body.

검증된 단계별 안내
1
Understand the components mentioned in the statement: The Golgi apparatus is an organelle involved in packaging and modifying proteins, while lysosomes are organelles containing digestive enzymes. Nissl bodies, on the other hand, are aggregates of rough endoplasmic reticulum (RER) and ribosomes, not Golgi apparatus and lysosomes.
Analyze the statement: The statement claims that Nissl bodies are formed by aggregates of Golgi apparatus and lysosomes. This is incorrect based on the definition of Nissl bodies.
Correct the false statement: Replace 'aggregates of Golgi apparatus and lysosomes' with 'aggregates of rough endoplasmic reticulum and ribosomes' to make the statement true.
Revised statement: 'Aggregates of rough endoplasmic reticulum and ribosomes form dark-staining Nissl bodies within the cell body.'
Conclude: The original statement is false, and the corrected version accurately describes the composition of Nissl bodies.

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주요 개념

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Nissl Bodies

Nissl bodies are structures found in the cell bodies of neurons, primarily composed of rough endoplasmic reticulum and ribosomes. They are responsible for synthesizing proteins and are stained by basic dyes, appearing as dark granules under a microscope. Nissl bodies are crucial for the metabolic activity of neurons and are indicative of the cell's health and functionality.
추천 영상:
가이드 코스
1:21
Organization of the Body: Body Cavities Example 1

Golgi Apparatus

The Golgi apparatus is an organelle involved in modifying, sorting, and packaging proteins and lipids for secretion or delivery to other organelles. It plays a key role in the post-translational modification of proteins, which is essential for their proper function. In neurons, the Golgi apparatus is vital for the production of neurotransmitters and other molecules necessary for communication between cells.
추천 영상:
06:02
Golgi Apparatus

Lysosomes

Lysosomes are membrane-bound organelles that contain digestive enzymes to break down waste materials and cellular debris. They play a critical role in cellular homeostasis by recycling components and eliminating harmful substances. In neurons, lysosomes help maintain cellular health by degrading damaged organelles and proteins, thus preventing the accumulation of toxic materials.
추천 영상:
05:38
Lysosomes & Peroxisomes
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