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2.2 Animal tissues, organs and organ systems

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Question 30

In a laboratory model, equal amounts of protein were placed in contact with two small-intestine wall models. Protease was added to one sample but not the other. After 30 minutes, the amount of amino acids that had passed into the blood-side solution was measured.

SampleProtease addedAmino acids in blood-side solution after 30 minutes (mg)
AYes7.8
BNo0.2

Use the results to explain the difference between the samples and predict how not digesting the protein would affect the building of proteins in body cells.

[4]
Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

304 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

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