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6. what are structual proteins?

  • build up the order of the bones
  • 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)

7. how many chromosomes are there altogether ?

  • 85
  • 46
  • 21

8. how many pairs of chromosomes are there in the human cell

  • 74
  • 23
  • 46

9. in order of size, what comes after: Cell, Nucleus, chromosome, A: , DNA

  • gene
  • chromosome
  • cell

10. which pair of chromosomes control whcih sex a person is?

  • 10th pair
  • X or Y / pair 23
  • 21st pair

11. what is a gene?

  • it is a length of DNA that is a chemical code for protein
  • it is something in the chromosome
  • its for protein

12. what are all these classed as: hair colours, eye colours, height, weight,skin colour

  • characteristics
  • variations
  • factors

13. what two things can affect how you develop?

  • what sports you play and where you relax
  • your genes can affect how you develop and the environment you are in.
  • your family and house