4. Enzymes (Section B.1) | BioAid

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CSEC Human And Social Biology (FULL COURSE)

Important Course Information

Syllabus and Subject Overview
Exam Information
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Section A: Living Organisms And The Environment

Section A: Living Organisms And The Environment
Section A Test

Section B: Life Processes

1. Nutrition
2. The Respiratory System
3. The Circulatory System
4. The Skeletal System
5. Excretion & Homeostasis
6. Coordination & Control
7. The Reproductive System
Section B Test

Section C: Heredity & Variation

Heredity & Variation
Section C Test

Section D: Disease and Humans

Disease and Humans
Section D Test

Section E: The Impact of Health Practices On The Environment

Health Practices on Environment
Section E Test

Video Tutorials on Select Topics

1. Diffusion, Osmosis and Active Transport (Section A) (14:20)
2. Photosynthesis (Section A) (12:54)
3. Nutrient Cycles (Section A) (12:08)
4. Enzymes (Section B.1) (14:37)
5. Stages of Digestion (Section B.1) (13:25)
6. Vital Capacity (Section B.2) (11:35)
7. Gaseous Exchange (Section B.2) (12:34)
8. Aerobic and Anaerobic Respiration (Section B.2) (14:34)
9. The Role of ADP and ATP (Section B.2) (9:29)
10. How The Heart Functions As A Double Pump (Section B.3) (13:50)
11. NEW TOPIC: ABO Blood Groups and Rhesus Factor (Section B.3) (21:32)
12. The Lymphatic System (Section B.3) (14:30)
13. Nephron Structure & Function (Section B.5) (14:57)
14. How Dialysis Works (Section B.5) (10:32)
15. Homeostasis (Section B.5) (14:58)
16. Intro To Nervous System (Section B.6) (11:49)
17. Structure of Nerves and Neurons (Section B.6) (14:16)
18. Male Reproductive System (Section B.7) (14:17)
19. Female Reproductive System (Section B.7) (13:21)
20. The Menstrual Cycle (Section B.7) (15:01)
21. Intro To Cell Division (Section C) (11:55)
22. Types of Cell Division (Mitosis) (Section C) (15:01)
23. Types of Cell Division (Meiosis) (Section C) (15:01)
24. Performing Genetic Crosses (1) (Section C) (15:01)
25. Performing Genetic Crosses (2) (Section C) (14:56)
26. Sex Determination & Sex-Linked Traits (Section C) (14:02)
27. Pedigree Charts (Section C) (8:52)
28. NEW TOPIC: Natural Selection (Section C) (24:21)
29. Types of Immunity (Section D) (15:01)
30. Dengue and Malaria (Section D) (8:34)
31. Leptospirosis and Cholera (Section D) (8:08)
32. Type I and Type II Diabetes (Section D) (8:23)
33. Hypertension and Atherosclerosis (Section D) (8:05)
34. Sexually Transmitted Diseases (Section D) (16:31)
35. Pollution and Water Cycle (Section E) (59:13)
36. Water and Sewage Treatment (Section E) (53:36)
37. Solid Waste Management (Section E) (50:49)

Syllabus Review and Exam Preparation

Syllabus Review Questions
Important Topics To Know
Model Answers To Exam Questions
Mock Exam

Past Paper Solutions (Paper 01- Multiple Choice Questions)

Past Papers
Specimen Paper 01 (New Syllabus) (68:36)
July 2021 (45:45)
July 2020 (35:05)
January 2020
June 2019 (50:53)
June 2018 (44:46)
January 2017 (40:07)
June 2015 (41:20)
June 2014 (47:24)
June 2011 (44:14)
June 2009 (44:30)
June 2008 (43:34)

Past Paper Solutions (Paper 02-Structured & Extended Response Questions)

Past Papers
January 2024 (49:20)
May 2023 (46:54)
January 2023 (59:05)
June 2022 (61:35)
Specimen Paper 02 (New syllabus) (56:49)
January 2022 (59:15)
July 2021 (48:02)
January 2021 (45:39)
July 2020 (54:41)
January 2020 (47:36)
May 2019 (52:17)
January 2019 (36:27)
May 2018 (39:25)
January 2018 (40:02)
May 2017 (39:57)
January 2017 (44:41)
May 2016 (40:26)
January 2016 (40:21)
May 2015 (42:41)
January 2015 (42:15)
May 2014 (36:18)
January 2014 (37:24)
May 2013 (36:13)
January 2013 (36:16)
May 2012 (41:59)

NEW! Paper 032 (Alternative to SBA)

Past Papers
May 2023 (21:18)
January 2023 (22:59)
SBA overview and Specimen Paper 032 (41:51)

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4. Enzymes (Section B.1)

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