The formula used to calculate the percentage of water absorbed by raisins is (W₂ - W₁)/W1 × 100. W₂ in the formula refers to:
Explain the process of membrane biogenesis and the role of ER in it.
How are chloroplasts and mitochondria similar in terms of genetic material?
In brief, explain what happens when the following organelles are removed from a plant cell: (a) Nucleus (b) Cell wall (c) Cell membrane (d) Vacuole (e) Golgi apparatus
Give reason for the following: (a) Meristematic cells possess a prominent nucleus and dense cytoplasm but are devoid of vacuoles. (b) Plants like cacti have thick epidermis. (c) Chewing a pear fruit gives a crunchy and granular sensation. (d) It is challenging to remove the husk from a coconut. (e) Bones are strong and non-flexible.
Following are a few definitions of osmosis Read carefully and select the correct definition
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