ZIMSEC O-Level Biology
2Chemicals of life
Chemicals of life in ZIMSEC O-Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Topic76 practice questions4 lessons
In this topic
Lessons
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Water in living organisms
12 min
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Carbohydrates, proteins and lipids
22 min
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Food tests
25 min
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Nucleic acids and the structure of DNA
22 min
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