1.3.3. Activities

1. Indicate from the following biomolecules which are unique to living matter:

  • Calcium
  • Amino
  • Phospholipids
  • Glucose
  • Sodium
  • Potassium
  • Chloride
  • Iron
  • Water
  • DNA

2. From among the following substances or foods indicates that consist mainly inorganic molecules.

  • Glycogen
  • Sodium
  • Glucose
  • Bacon
  • Cholesterol
  • Iron
  • Enzymes
  • Antibodies
  • Water

3. Among the following biomolecules or food type indicates which each belongs:

1. Sodium A. nucleic acids
2. Glucose
3. Glycogen B. proteins
4. Bacon
5. Cholesterol C. lipids
6. Enzymes
7. Antibodies D. carbohydrates
8. Water
9. Messenger RNA E. inorganic matter

4. Given the following table of chemical composition of the cell answers the following questions:

  • What is the most abundant biomolecule?
  • Is it organic or inorganic?
  • Among the organic molecules what is the most abundant?
  • What is your primary role?
  • What mission has the nucleic acid?
  • What are main function of fats and sugars?
  • The salts have an important structural role for the formation of bones and shells, what salt there is in our bones in greater proportion?


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