Higher human biology Unit 1.6 5.0 / 5 based on 1 rating ? Human Biologymetabolic pathwaysScottish HighersSQA Created by: jennylock2Created on: 20-10-21 14:51 365214 Across 1. The energy to needed to break the chemical bonds needed to start a reaction (10, 6) 4. All the biochemical reactions that occur within a living cell. (10) Down 2. When the substrate comes in contact with the active site the active site changes shape slightly. (7, 3) 3. When simple molecules are built up into more complex molecules. (8, 8) 5. what term is used to describe that an enzyme can only act on one substrate. The active site is a complementary shape to the substrate. (8) 6. When a large complex molecule is broken down into smaller simpler molecules (9, 8)
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