what is a cell.....
Answers
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
Discovery of Cell
Robert Hook first discovered cells in 1665. He gave them their name because they resembled the cella (Latin for “small rooms”) where monks lived in monasteries.
Organelles present in Cell
Nucleus
The nucleus contains the majority of the cell’s DNA (a small amount is housed in the mitochondria, see below). The nucleus sends out messages to tell the cell to grow, divide, or die.
Plasma Membrane
This membrane is predominantly made of phospholipids, which prevent water-based substances from entering the cell.
Cytoplasm
The cytoplasm is the interior of the cell that surrounds the nucleus and is around 80 percent water; it includes the organelles and a jelly-like fluid called the cytosol.
Endoplasmic reticulum
The endoplasmic reticulum (ER) processes molecules within the cell and helps transport them to their final destinations. In particular, it synthesizes, folds, modifies, and transports proteins.
Explanation:
Cells are the basic building blocks of all living organisms.. They provide structure for the body,convert those nutrients into energy, and carry out Important function. They also do diffusion of various gases and water inside AND outside our body.....
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