Animal cells come in various shapes and sizes because they perform different functions. Their structure adapts to tasks like contraction, signal transmission or nutrient absorption. Class 8 Science Curiosity Grade 8 Chapter 2 The Invisible Living World Beyond Our Naked Eye ...
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(i) Sugar is fermented in flask A. (ii) Test tube B shows bubbles or gas due to carbon dioxide. (iii) Without yeast, fermentation doesn’t occur and no gas forms, so the test tube stays unchanged. class 8 science chapter 2 the ...
Yes, a cell’s shape and structure relate directly to its function. For example, red blood cells are disc-shaped to carry oxygen easily, while nerve cells are long to transmit messages over distances. Class 8 Science Curiosity Textbook Chapter 2 The Invisible ...
Like bricks in a wall, plant cells are tightly arranged in rows and columns. Each cell resembles a brick with rigid walls, giving the plant structure and support. Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked ...