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1.2 What happens in cells (and what do cells need)?

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Question 6

A scientist heats a lipase solution to 70 ∘C70\ ^\circ\text{C}70 ∘C and then cools it to 35 ∘C35\ ^\circ\text{C}35 ∘C. The scientist mixes the cooled lipase with lipid. No fatty acids or glycerol are detected.

Explain why no fatty acids or glycerol are detected.

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1.2 What happens in cells (and what do cells need)? Questions

  1. GCSE
  2. /Biology
  3. /1.2 What happens in cells (and what do cells need)?

184 exam-style questions on OCR GCSE Biology 1.2 What happens in cells (and what do cells need)?, covering 1.2.1 Structure of DNA, 1.2.2 Nucleotides and complementary bases, 1.2.3 Protein synthesis, 1.2.4 DNA structure and the proteins made, 1.2.5 Investigating enzymatic reactions, and 1.2.6 Mechanism of enzyme action. Each one has a worked solution and a mark scheme showing where the marks go.

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