Question

3. Which organelle is known as the powerhouse of the cell? why
5. Where do the lipids and proteins constituting the ce
membrane get synthesised?
7. How does an Amoeba obtain its food?
3. What is osmosis?
B. Carry out the following osmosis experiment:
Take four peeled potato halves and scoos each one out
make potato cups. One of these potato cups should be ma
from a boiled potato. Put each potato cup in a trou
containing water. Now.
(a) Keep cup A empty
(b) Put one teaspoon sugar in cup B
(c) Put one teaspoon salt in cup C
drut one teasnoon sugar in the boiled potato cup D.​

Answer 1

Answer:

3.mitochondria,because it stores energy in the form of atp

Answer 2

Mitochondria is known as powerhouse of the cell as it produces ATP molecules as a form of energy.

Proteins and lipids are synthesised in Endoplasmic reticulum. Protein is produced by Rough ER and lipids are produced by Smooth ER.

Amoeba obtains it’s food by extending its fingers-like projections and slowly and gradually taking the food inside the area of its body. Then it digests the food.

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