Salam Academy
Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-AB-PW-0011 markL1 FoundationCalculatorProtein structure
The primary structure of a protein is
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0021 markL2 StandardCalculatorProtein structure
α-helices are held by
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0031 markL2 StandardCalculatorProtein structure
Which bond in tertiary structure is covalent?
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0041 markL2 StandardCalculatorProtein structure
How many different tripeptides could be made from 20 amino acids?

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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0051 markL2 StandardCalculatorHaemoglobin and collagen
Haemoglobin has quaternary structure because it
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0061 markL2 StandardCalculatorHaemoglobin and collagen
Glycine is found every third amino acid in collagen because it
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0071 markL2 StandardCalculatorHaemoglobin and collagen
Globular proteins are soluble because
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0081 markL2 StandardCalculatorProtein structure
The biuret test for protein gives
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0091 markL2 StandardCalculatorWater
Water has a high specific heat capacity because
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0101 markL2 StandardCalculatorWater
Water is a good solvent because it
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0111 markL2 StandardCalculatorWater
Cohesion between water molecules is important for
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Salam Academy Original Practice · Proposed mark scheme
SA-AB-PW-0121 markL2 StandardCalculatorHaemoglobin and collagen
How many O₂ molecules can one haemoglobin molecule carry?

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Salam Academy Original Practice · Proposed mark scheme