SME
Grade 9 Science · Problem type
Which class of biomolecule is it?
Use this for “Antibodies are made of which kind of molecule?”
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Which class of biomolecule is it?
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Assumptions
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The four classes are carbohydrates, lipids, proteins and nucleic acids.
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Enzymes, antibodies and hemoglobin are proteins: chains of amino acids folded into a shape.
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Dehydration synthesis: water and mass
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Which property of water explains it?
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The chemistry of life: water and biomolecules
Main lesson
Dehydration synthesis: water and mass
Use this for “How many water molecules leave as the chain forms, or are needed to split it, and what is the polymer’s mass?”
Which property of water explains it?
Use this for “Why can an insect stand on the surface of a pond?”