Sub-topic 1
2024 · National Preliminary
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Dehydration (condensation) synthesis of proteins, lipids, carbohydrates and nucleic acids
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Sub-topic 2
2026 · National Semifinal
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Enzymatic browning of cut fruits and vegetables
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Sub-topic 3
2026 · National One-Eighth
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Peptide bonds in a polypeptide of n amino acids
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Sub-topic 4
2024 · National One-Eighth
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Number of high-energy phosphoanhydride bonds in atp
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Sub-topic 5
2022 · National Final
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Why insulin cannot be administered as an oral drug
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Sub-topic 6
2017 · National Quarterfinal
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Composition of ribosomes and location of the anticodon in protein synthesis
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Sub-topic 7
2012 · National Preliminary
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Enzymes are specific to particular substrates/reactions
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Sub-topic 8
2014 · National Quarterfinal
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Biological significance of water's high heat of fusion
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Sub-topic 9
2014 · National Quarterfinal
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Biological significance of water's high surface tension
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Sub-topic 10
2014 · National Quarterfinal
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Biological significance of ice being less dense than liquid water
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Sub-topic 11
2016 · National One-Eighth
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Starch as the main storage carbohydrate in plants
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Sub-topic 12
2016 · National One-Eighth
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Sucrose as the transported form of carbohydrate in plants
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Sub-topic 13
2016 · National Preliminary
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The mercury nitrate test for protein (millon's-type reaction)
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Sub-topic 14
2016 · National Preliminary
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Fehling's test identifying a reducing sugar
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Sub-topic 15
2016 · National Preliminary
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The biuret test identifying protein
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Sub-topic 16
2016 · National Preliminary
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Classifying hemoglobin's protein function as transport
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Sub-topic 17
2016 · National Preliminary
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Classifying collagen's protein function as structure
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Sub-topic 18
2016 · National Preliminary
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Classifying myoglobin's protein function as storage
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Sub-topic 19
2017 · National Semifinal
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Why most cellular reactions require enzymes (activation energy, specificity, efficiency)
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Sub-topic 20
2017 · National Semifinal
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Nitrogen fixation making atmospheric nitrogen available to plants
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Sub-topic 21
2020 · National One-Eighth
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Essential elements as structural components of biomolecules (true/false)
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Sub-topic 22
2020 · National One-Eighth
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Essential elements in energy-related compounds (atp phosphorus, chlorophyll magnesium) (true/false)
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Sub-topic 23
2020 · National One-Eighth
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Essential elements (k+, na+, cl-) affecting cellular osmotic potential (true/false)
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Sub-topic 24
2021 · National Preliminary
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The biuret test gives a purple color to indicate the presence of protein
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Sub-topic 25
2021 · National Preliminary
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Globin is the protein part of the hemoglobin molecule
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Sub-topic 26
2022 · National Preliminary
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Starch's chemical unreactivity makes it useful as a storage material
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Sub-topic 27
2022 · National Preliminary
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Connective tissue is the most abundant tissue in higher animals
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Sub-topic 28
2022 · National Preliminary
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Collagen is the most abundant protein in the animal kingdom
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Sub-topic 29
2022 · National Preliminary
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Pepsinogen is the most abundant digestive enzyme secreted by gastric chief cells
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Sub-topic 30
2023 · National Preliminary
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Rrna is the most abundant rna in cells
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Sub-topic 31
2023 · Regional Championship
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Essential amino acids cannot be synthesized by the body
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