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

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Question 32

During lipogenesis within eukaryotic cells, excess nutrients are converted into triglycerides for long-term energy storage. Which of the following correctly identifies the molecular building blocks required to synthesize a single triglyceride molecule, and the specific chemical bond that links them?

A

Three glycerol molecules and one fatty acid molecule, linked by ester bonds

B

One glycerol molecule and three fatty acid molecules, linked by glycosidic bonds

C

One glycerol molecule and three fatty acid molecules, linked by ester bonds

D

Three glycerol molecules and one fatty acid molecule, linked by peptide bonds

Markscheme

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)?

72 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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