biology

units B1 & B2

1. how does a gene control what a cell does

  • they control the size of the cell
  • they control which proteins a cell makes
  • they tell the cell what to do
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2. list 3 things in which a cell does

  • talk, run, sing
  • moves muscels, build cells, carry oxygen in the blood
  • pump blood around the body, respire, digest

3. name 2 proteins in the human body

  • structual proteins and functional proteins
  • vartiation proteins and simple proteins
  • environmental proteins and inheritied proteins

4. how many chromosomes are there altogether ?

  • 85
  • 46
  • 21

5. what are structual proteins?

  • they build the body up, i.e. collagen, the proteins found in tendons
  • they take part in the chemicsal reactions within the body, such as enzymes (amylase)
  • build up the order of the bones

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