| IGCSE Combined Sciences Biology 0653
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IGCSE Combined Sciences Biology Notes 2025/2026/2027 Exams / 5-Enzymes Combined Sciences Notes
  • 5.1-Enzymes-0653-Combined-Sciences-Notes-Enzyme-basics.pdf
  • 5.2-Enzymes-0653-Combined-Sciences-Notes-Action-of-enzymes.pdf
  • 5.3-Enzymes-0654-0653-Combined-Sciences--Effect-of-temperature-on-enzyme-activity.pdf
  • 5.4-Enzymes-0653-Combined-Sciences-Notes-Effect-of-pH-and some-application-based-questions.pdf
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Enzymes Combined Sciences Notes /2025/2026/2027 Exams

Course content

1-Characteristics and classification of living organisms Paper 4 Topic Questions
2-Cells Paper 4 Topic Questions Combined Sciences
3-Movement in and out of cells Paper 4 Topic Questions Combined Sciences
4-Biological molecules Paper 4 Topic Questions Combined Sciences
5-Enzymes Paper 4 Topic Questions Combined Sciences
6-Plant Nutrition Paper 4 Topic Questions Combined Sciences
7-Human Nutrition Paper 4 Topic Questions Combined Sciences
8-Transport in Plants Paper 4 Topic Questions Combined Sciences
9-Transport in Animals Paper 4 Topic Questions Combined Sciences
10-Diseases and Immunity Paper 4 Topic Questions Combined Sciences
11-Gas-Exchange Paper 4 Topic Questions Combined Sciences
12-Respiration Paper 4 Topic Questions Combined Sciences
13-Drugs Paper 4 Topic Questions Combined Sciences
14-Reproduction Paper 4 Topic Questions Combined Sciences
15-Organisms and their Environment Paper 4 Topic Questions Combined Sciences
16-Human Influences on Ecosystems Paper 4 Topic Questions Combined Sciences
1-Characteristics and classification of living organisms Combined Sciences Videos
2-Organisation of Organisms Coordinated Sciences Videos
3-Movement Into and Out of Cells Combined Sciences Videos
4-Biological Molecule Videos Combined Sciences Videos
5-Enzymes Combined Sciences Videos
6- Plant Nutrition Videos Combined Sciences Videos
7-Human Nutrition Videos Combined Sciences Videos
8-Transport in Plants Videos Combined Sciences Videos
9-Transport in Animals Videos Combined Sciences Videos
10-Disease and Immunity Videos Combined Sciences Videos
11-Gas Exchange Videos Combined Sciences Videos
12-Respiration IGCSE Combined Sciences Videos
12-Respiration IGCSE Combined Sciences Notes
13-Excretion in Humans Combined Sciences Videos
14- Coordination and Response Set-1- Combined Sciences Videos
14- Coordination and Response Set-2- Combined Sciences Videos
14- Coordination and Response Set-3- Combined Sciences Videos
15-Drugs-Combined Sciences Video
16-Reproduction-Set-1-Combined Sciences Videos
16-Reproduction-Set-2-Combined Sciences Videos
16-Reproduction-Set-3-Combined Sciences Videos
16-Reproduction-Set-4-Combined Sciences Videos
16-Reproduction-Set-5-Combined Sciences Videos
17-Inheritance IGCSE Combined Sciences Videos
18-Variation and Selection Combined Sciences Videos
19-Organisms and their Environment Set-1 Combined Sciences Videos
19-Organisms and their Environment-Set-2Combined Sciences Videos
20-Human Influences on Ecosystems-Set-1-Combined Sciences Videos
20-Human Influences on Ecosystems-Set-2-Combined Sciences Videos
20-Human Influences on Ecosystems-Set-3- Combined Sciences Videos
21-Biotechnology and Genetic Modification- Combined Sciences Videos
IGCSE Combined Sciences Biology Syllabus 2025/2026/2027 Exams