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Questions and Answers
Cells vary in size and structure. Cells have many parts, each with a different function: - Organelles are specialized structures that perform certain tasks within the cell.
organelles
The human body is made up of around ______ cells: - Provides structure for the body. - Takes in nutrients from food and converts those nutrients into energy. - Carries out specialized functions. - Contains the body’s hereditary material and can make copies of themselves.
30 trillion
Organisms made up of many cells are called ______ (e.g. fungi, plants and animals).
multicellular
The cell contains ______ (DNA) which is passed on from cell to cell during cell division.
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The three main principles of ______ are: 1. All organisms are made of cells. 2. The cell is the basic structural and functional unit of life. 3. Cells arise from pre-existing cells.
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