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Endomembrane system includes...

Endomembrane system includes

A

Endoplasmic reticulum, golgi apparatus, lysosomes and vacuoles

B

Endoplasmic reticulum, plastids, lysosomes and vacuoles

C

Endoplasmic reticulum, golgi apparatus, peroxisomes and vacuoles

D

Endoplasmic reticulum, golgi apparatus, sphaerosomes and vacuoles

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question about the components of the endomembrane system, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Endomembrane System**: The endomembrane system is a collection of membranous organelles in eukaryotic cells that work together to modify, package, and transport lipids and proteins. 2. **Identify the Key Organelles**: The main organelles that make up the endomembrane system include: - **Endoplasmic Reticulum (ER)**: This organelle comes in two forms, rough ER (with ribosomes) and smooth ER (without ribosomes). The rough ER is involved in protein synthesis and processing. - **Golgi Apparatus**: This organelle is responsible for modifying, sorting, and packaging proteins and lipids that have been synthesized in the ER. - **Lysosomes**: These are membrane-bound organelles that contain enzymes for digestion and waste processing. - **Vacuoles**: These are storage organelles that can hold various substances, including nutrients and waste products. 3. **Evaluate the Options**: Given the options in the question, we need to determine which one includes all the correct organelles that are part of the endomembrane system. - **Option A**: Includes endoplasmic reticulum, Golgi apparatus, lysosomes, and vacuoles. This is the correct answer. - **Option B**: Includes plastids, which are not part of the endomembrane system and are found only in plant cells. - **Option C**: Lists endoplasmic reticulum, Golgi apparatus, and peroxisomes. Peroxisomes are not part of the endomembrane system. - **Option D**: Includes spherosomes, which are also not part of the endomembrane system. 4. **Conclusion**: After evaluating the options, we conclude that the correct answer is **Option A**, which includes the endoplasmic reticulum, Golgi apparatus, lysosomes, and vacuoles. ### Final Answer: The endomembrane system includes the endoplasmic reticulum, Golgi apparatus, lysosomes, and vacuoles. ---
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Which organelle is not a part of the endomembrane system ?