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How do cells grow and Divide?

How do cells grow and Divide?. Chapter 2 section 3. Why do they need to divide. 1. To make more 2. They also need to be efficient in getting materials around the cell 3. If they are too large then the cell will not function efficiently. Cell division.

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How do cells grow and Divide?

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  1. How do cells grow and Divide? Chapter 2 section 3

  2. Why do they need to divide • 1. To make more • 2. They also need to be efficient in getting materials around the cell • 3. If they are too large then the cell will not function efficiently.

  3. Cell division • Single cell- divide into two identical daughter cells • Multi-cellular- also divide into two daughter cells when making new cells for growth or repair

  4. Mitosis • 1. The cell’s nucleus divides • The nucleus contains DNA • Used to code for all the genes in the organism • Complex molecule consisting of three parts • Found in the chromosomes

  5. Interphase • The cell copies its DNA and gets ready to divide

  6. Prophase • Mitosis begins • Short, compact chromosomes become visible • Nuclear membrane dissolves

  7. Metaphase • Pairs of chromosomes line up at the center of the cell

  8. Anaphase • The chromosomes separate • The two halves move to opposite sides of the cell

  9. Telophase • Two new daughter cells are made • Identical to the original • Nuclear membrane appears

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