C1. Molecules | IB Biology

THEME C

C1. Molecules

Interaction and Interdependence

Explore how organisms interact with each other and their environment through metabolic processes, signaling systems, immune responses, and ecological relationships.

⚡ C1.1 Enzymes and Metabolism

Study metabolic processes including enzyme function, cellular respiration, and photosynthesis – the energy transformations that sustain life.

STANDARD LEVEL

Student Slide Set End of Topic Quiz

HIGHER LEVEL

Student Slide Set End of Topic Quiz

STANDARD + HIGHER LEVEL

Workbook (Both Levels)

SL+HL

🫁 C1.2 Cell Respiration

Examine how cells break down glucose and other molecules to release energy for cellular processes through aerobic and anaerobic respiration.

STANDARD LEVEL

Student Slide Set End of Topic Quiz

HIGHER LEVEL

Student Slide Set End of Topic Quiz

STANDARD + HIGHER LEVEL

Workbook (Both Levels)

SL+HL

🌱 C1.3 Photosynthesis

Discover how plants and other organisms convert light energy into chemical energy through the light-dependent and light-independent reactions.

STANDARD LEVEL

Student Slide Set End of Topic Quiz

HIGHER LEVEL

Student Slide Set End of Topic Quiz

STANDARD + HIGHER LEVEL

Workbook (Both Levels)

SL+HL

⚡

C1.1 Enzymes and Metabolism

SLIDES

C1.1 Enzymes and Metabolism (SL) – Student Slide Set

💡 Use arrow keys or click to navigate slides

View Slides 1

QUIZ

C1.1 Enzymes and Metabolism (SL) – End of Topic Quiz (20 marks)

📝 Complete the quiz above and submit your answers

Take Quiz 2

SLIDES

C1.1 Enzymes and Metabolism (HL) – Student Slide Set

💡 Use arrow keys or click to navigate slides

View Slides 3

QUIZ

C1.1 Enzymes and Metabolism (HL) – End of Topic Quiz (20 marks)

📝 Complete the quiz above and submit your answers

Take Quiz 4

📚

Shared Materials (Standard + Higher Level)

DOC

C1.1 Enzymes and Metabolism – Workbook (STANDARD + HIGHER LEVEL)

SL+HL

📖 Questions and answers workbook for both Standard and Higher Level students

View Workbook 5

🫁

C1.2 Cell Respiration

SLIDES

C1.2 Cell Respiration (SL) – Student Slide Set

💡 Use arrow keys or click to navigate slides

View Slides 6

QUIZ

C1.2 Cell Respiration (SL) – End of Topic Quiz (20 marks)

📝 Complete the quiz above and submit your answers

Take Quiz 7

SLIDES

C1.2 Cell Respiration (HL) – Student Slide Set

💡 Use arrow keys or click to navigate slides

View Slides 8

QUIZ

C1.2 Cell Respiration (HL) – End of Topic Quiz (20 marks)

📝 Complete the quiz above and submit your answers

Take Quiz 9

📚

Shared Materials (Standard + Higher Level)

DOC

C1.2 Cell Respiration – Workbook (STANDARD + HIGHER LEVEL)

SL+HL

📖 Questions and answers workbook for both Standard and Higher Level students

View Workbook 10

🌱

C1.3 Photosynthesis

SLIDES

C1.3 Photosynthesis (SL) – Student Slide Set

💡 Use arrow keys or click to navigate slides

View Slides 11

QUIZ

C1.3 Photosynthesis (SL) – End of Topic Quiz (20 marks)

📝 Complete the quiz above and submit your answers

Take Quiz 12

SLIDES

C1.3 Photosynthesis (HL) – Student Slide Set

💡 Use arrow keys or click to navigate slides

View Slides 13

QUIZ

C1.3 Photosynthesis (HL) – End of Topic Quiz (20 marks)

📝 Complete the quiz above and submit your answers

Take Quiz 14

📚

Shared Materials (Standard + Higher Level)

DOC

C1.3 Photosynthesis – Workbook (STANDARD + HIGHER LEVEL)

SL+HL

📖 Questions and answers workbook for both Standard and Higher Level students

View Workbook 15