B1 Revision

B1 Revision Quiz 

Topic 1.

Genes, Chromosomes and DNA.

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  • Created by: cerysstx
  • Created on: 06-01-14 18:47

1. What is a gene?

  • A double-helix shaped molecule
  • A chain of amino acids in a specific shape
  • A short length of a chromosome
  • A strand of base pairs
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Other questions in this quiz

2. What are the correct examples of structural proteins?

  • Skin, hair & blood
  • Lactase & catalase
  • Amylase & trypsin
  • Muscles, cells & tissues

3. What is the name for proteins that make a change in the body, for example amylase breaking down starch to maltose?

  • Functional
  • Structural

4. How many sets of chromosomes does a human have?

  • 23
  • 46
  • 12
  • 50

5. What characteristic can be controlled only by environment?

  • Hair colour
  • Scars
  • Eye colour
  • Dimples

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