Cell Biology - Cell Structure

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Q1. What is the role of ribosomes in the cell? (2023)

Solution:

Ribosomes are the sites of protein synthesis, translating messenger RNA into polypeptide chains.

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Q2. Which organelle is responsible for photosynthesis in plant cells?

Solution:

Chloroplasts are the organelles responsible for photosynthesis, converting light energy into chemical energy.

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Q3. Which organelle is involved in the synthesis of lipids? (2020)

Solution:

The smooth endoplasmic reticulum is involved in the synthesis of lipids and detoxification processes.

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Q4. Which structure is involved in the synthesis of lipids? (2022)

Solution:

The smooth endoplasmic reticulum (Smooth ER) is involved in the synthesis of lipids and detoxification processes.

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Q5. What is the jelly-like substance inside the cell called? (2018)

Solution:

Cytoplasm is the jelly-like substance that fills the cell and contains organelles.

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Q6. What is the primary function of the cell wall? (2019)

Solution:

The cell wall provides protection and support to the cell, maintaining its shape and preventing excessive water uptake.

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Q7. Which of the following is NOT a function of the cell membrane? (2022)

Solution:

The cell membrane does not produce energy; it primarily functions in transport, communication, and acting as a barrier.

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Q8. Which organelle contains digestive enzymes to break down waste materials? (2020)

Solution:

Lysosomes contain digestive enzymes that break down waste materials and cellular debris.

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Q9. What is the primary function of the rough endoplasmic reticulum? (2019)

Solution:

The rough endoplasmic reticulum is studded with ribosomes and is primarily involved in the synthesis of proteins.

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Q10. Which structure is responsible for the synthesis of lipids? (2021)

Solution:

The smooth endoplasmic reticulum is involved in the synthesis of lipids and detoxification processes.