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Chapter 7 (Section 3 (Meiosis (Sex cells divide by meiosis, Process…

- - - - Supporting fabric of organs
    - - Transport information throughout the body
    - - Covers surface of skin
    - - Skeletal, cardiac, smooth, helps move the body
  - - - 1) When mitosis begins the 2 ventricles in the centersome move to opposite ends of the cell
      - 2) a spindle like thread like fibers trails from the centuries
      - 3) the nuclear membrane disappears and the pairs duplicate chromosomes attach to the spindles at the center of the cell
      - 4) the chromatids then split from their duplicated halves and move to the opposite sides of the cell
      - 5) each end has 46 chromosomes
      - 6) cytoplasm divide and a new cell membrane forms to create two new identical cells
- - - - Take in food, oxygen, produce heat and energy
      - adapt to the environment and eliminate waste
  - - - The outer covering of the cell
      - Is also called plasma membrane or plasmalemma
      - is semipermeable
    - - A semifluid inside the cell but outside the nucleus
      - contains water, proteins, lips, carbohydrates, minerals, salts
      - is the site for chemical reactions (protection synthesis)
    - - A mass foudnin the cytoplasm.
      - separated by the cytoplasm by the nuclear membrane
    - - One or more small round bodies located in the nucleolus and important for cell reproduction
    - - Located in the nucleus and made up of DNA and proteins
      - each one has 30,000 to 45,000 genes
    - - Located in the cytoplasm
      - contains two centroiles
      - during mitosis it separates
    - - Rod shaped organelles lactated throughout the cytoplasm
      - often refereed to as the power house of the cell
      - Breaks down carbohydrates, proteins, fats
    - - A stack of membranes located in the cytoplasm
      - packages secretions for discharge from cells