SS1: BIOLOGY - 1ST TERM
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Introduction to Biology | Week 17 Topics|2 Quizzes
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Recognizing Living Things | Week 23 Topics|1 Quiz
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Organisation of Life | Week 33 Topics|2 Quizzes
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Classification of Living Organisms | Week 46 Topics|2 Quizzes
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Kingdom Prokaryotae / Monera & Kingdom Protista | Week 54 Topics|3 Quizzes
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Kingdom Fungi & Kingdom Plantae | Week 610 Topics|2 Quizzes
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Kingdom Animalia I | Week 77 Topics|1 Quiz
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Kingdom Animalia II | Week 86 Topics|2 Quizzes
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The Cell | Week 94 Topics|1 Quiz
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The Cell Structure and Functions | Week 105 Topics|1 Quiz
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The Cell and its Environment | Week 115 Topics|1 Quiz
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Nutrition in Plants | Week 125 Topics|1 Quiz
Quizzes
Virus
Topic Content:
- Meaning of Virus
- Characteristics of Virus
- Virus As A Living (Animate ) Thing
- Virus as a Non-living (Inanimate) Thing

What is a Virus?
A virus is a microscopic (extremely small) organism which cannot be seen by an ordinary microscope but only through an electronic microscope.
It does not have a cell structure, it is just made up of a coiled strand of nucleic acid i.e. Ribonucleic acid (RNA) or deoxyribonucleic acid (DNA) enclosed within a protein coat.

A virus is seen as both a living and non-living thing. When outside a living cell, it exists as a crystal and
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