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DNA stores coded instructions

DNA stores coded instructions

DNA double helix, sugar-phosphate backbone, and a nucleotide made from phosphate, sugar, and one base DNA stores the genetic information used to build proteins. In animal and plant cells, almost all DNA is packaged into chromosomes inside the nucleus.

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

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

Step-by-step lessons 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 builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

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