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Cytoplasm Video Lecture | Biology Class 11 - NEET

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1. What is cytoplasm and what is its role in the cell?
Ans. Cytoplasm is a gel-like substance found inside the cell membrane of all living cells. It plays a vital role in various cellular activities, including supporting cellular structures, transporting substances within the cell, and serving as a site for metabolic reactions.
2. How does cytoplasm differ from the nucleus?
Ans. The cytoplasm is the fluid-filled region of the cell that surrounds the nucleus, while the nucleus is a membrane-bound organelle that contains the cell's genetic material. Unlike the nucleus, the cytoplasm does not contain chromosomes or control the cell's genetic information.
3. Can you explain the composition of cytoplasm?
Ans. Cytoplasm is composed of several components, including water, proteins, carbohydrates, lipids, salts, and various organelles such as mitochondria, ribosomes, and the endoplasmic reticulum. These components work together to support the cell's structure and function.
4. How does cytoplasm contribute to cellular metabolism?
Ans. The cytoplasm contains enzymes that catalyze biochemical reactions, allowing for cellular metabolism. It provides the necessary environment and resources for metabolic processes such as glycolysis, protein synthesis, and lipid metabolism. Additionally, the cytoplasm serves as a storage site for nutrients and waste products.
5. Can cytoplasm move within the cell?
Ans. Yes, cytoplasm can move within the cell through a process called cytoplasmic streaming or cyclosis. This movement is facilitated by the cytoskeleton, a network of protein filaments, and allows for the distribution of organelles, nutrients, and other substances throughout the cell.
182 videos|366 docs|154 tests
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