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SS1: BIOLOGY - 1ST TERM

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  1. Introduction to Biology | Week 1
    6 Topics
    |
    1 Quiz
  2. Recognizing Living Things | Week 2
    3 Topics
    |
    1 Quiz
  3. Organisation of Life | Week 3
    3 Topics
  4. Classification of Living Organisms | Week 4
    7 Topics
    |
    1 Quiz
  5. Kingdom Prokaryotae / Monera & Kingdom Protista | Week 5
    3 Topics
    |
    3 Quizzes
  6. Kingdom Fungi & Kingdom Plantae | Week 6
    9 Topics
    |
    2 Quizzes
  7. Kingdom Animalia I | Week 7
    6 Topics
    |
    1 Quiz
  8. Kingdom Animalia II | Week 8
    5 Topics
    |
    1 Quiz
  9. The Cell | Week 9
    3 Topics
    |
    1 Quiz
  10. The Cell Structure and Functions | Week 10
    4 Topics
    |
    1 Quiz
  11. The Cell and its Environment | Week 11
    4 Topics
    |
    1 Quiz
  12. Nutrition in Plants | Week 12
    4 Topics
    |
    1 Quiz



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Active and passive transport are the two main biological processes that play a significant role in supplying nutrients, oxygen, water and other essential molecules to the cells along with excreting toxic substances.

In active and passive transport, the goals are the same but the movements are different.

Passive Transport:

Passive transport is the movement of ions and molecules across the cell membrane without requiring energy.

Examples of passive transport are diffusion and osmosis.

Active Transport:

This is the movement of molecules/particles through a cell membrane from a region of lower concentration to a region of higher concentration using energy from respiration.

Active transport enables plants to absorb mineral salts from the soil.

Difference between Active and Passive Transport:

Active transport moves molecules and ions from a region of lower concentration to to a region of higher concentration with the help of energy in the form of ATP, while passive transport moves molecules and ions from a region of higher concentration to a region of lower concentration without any energy.

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