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2. What are proteins role within organisms?

  • They are needed for structure, transport, formation of enzymes, antibodies and most hormones
  • They are needed for storage and supply
  • They are needed for the formation of membranes

3. What are vitamins and minerals role in organisms ?

  • Forms parts of larger molecules and take part in some metabolic reactions, some act as coenzymes or enzyme activators
  • They are information molecules which carry instructions for life
  • They are needed for energy storage and supply

4. What is the polymer for carbohydrates?

  • Polysaccharide
  • Monosaccharide
  • Nucleotides

5. What chemical group is used for the formation of membranes, energy supply, thermal insulation, protective layers around vital organs and electrical insulation for some neurones?

  • Nucleic Acids
  • Lipids
  • Proteins
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