Answer: Depending on the nature of the signaling molecule, it may either bind to and activate a receptor protein embedded in the plasma membrane, or it may move across the plasma membrane and bind to a receptor protein in the cytoplasm.
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The cell cycle, or cell-division cycle, is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells.
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(i) Groundnut and mustard seeds are called oilseeds because they are used to extract edible oil which are used for cooking food.
(ii) Herbivores consume only plants and plant products whereas carnivores feed on other animals only.
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Plasticity is the capacity of the brain to change with learning. Changes associated with learning occur mostly at the level of connections between neurons: New connections form and the internal structure of the existing synapses change. ... Plastic changes also occur in musicians brains compared to non-musicians.
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