1. The nucleus was first discovered by a Scottish botanist named Robert Brown in 1831. He observed a small, dense center in cells which he then named the "nucleus".

2. The nucleus is often referred to as the 'control center' of the cell because it holds the cell's DNA, which contains the instructions for making proteins. These proteins are necessary for many cellular processes. The nucleus controls these processes by controlling the production of proteins, thus directing all activities of the cell. This is why it is often referred to as the 'control center'.

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1. The nucleus was first discovered by a Scottish botanist named Robert Brown in 1831. He observed a small, dense center in cells which he then named the "nucleus".

2. The nucleus is often referred to as the 'control center' of the cell because it holds the cell's DNA, which contains the instructions for making proteins. These proteins are necessary for many cellular processes. The nucleus controls these processes by controlling the production of proteins, thus directing all activities of the cell. This is why it is often referred to as the 'control center'.

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1. The nucleus was first discovered by a Scottish botanist named Robert Brown in 1831. He observed a small, dense center in cells which he then named the "nucleus".

2. The nucleus is often referred to as the 'control center' of the cell because it holds the cell's DNA, which contains the instructions for making proteins. These proteins are necessary for many cellular processes. The nucleus controls these processes by controlling the production of proteins, thus directing all activities of the cell. This is why it is often referred to as the 'control center'.

Who discovered the nucleus for the first time?c. Why is it called the ‘ control center’ of the cell ?

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