What this topic covers
B1: Cell level systems has 4 subtopics:
- B1.1 Cell structures
- B1.2 What happens in cells (and what do cells need)?
- B1.3 Respiration
- B1.4 Photosynthesis
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GCSE OCR Higher Biology · Topic 1 of 6
B1: Cell level systems – GCSE OCR Higher Biology revision notes
Choose a subtopic. Cells, DNA use in cells, respiration and photosynthesis. 27 lessons in 4 subtopics.
Revise B1: Cell level systems for GCSE OCR Higher Biology, including B1.1 Cell structures and B1.2 What happens in cells (and what do cells need)?
27
Lessons
4
Subtopics
B1: Cell level systems lessons by subtopic
27 lessons, grouped by subtopic.
B1.1 Cell structures
- Understanding Cell Types: Eukaryotes vs Prokaryotes
- Comparing Animal and Plant Cell Structures
- Structure and Function Relationships in Cells
- Development of Microscopy Techniques
- Magnification Calculations
B1.2 What happens in cells (and what do cells need)?
- From Cells to Organisms
- The digestive system and enzymes
- Digestive enzymes and their actions
- The role of bile in digestion
- DNA Structure and the Genome
- Applications of Genome Research
- The Structure of DNA
- From DNA Code to Protein Synthesis
- Genetic Variation and Mutations
B1.3 Respiration
- Introduction to Cellular Respiration
- Aerobic Respiration
- Anaerobic Respiration and Fermentation
- How the Body Responds to Exercise
- Anaerobic Respiration and Recovery
- What is Metabolism?
- Building Large Molecules from Small Ones
- Breaking Down Molecules and Building Blocks
B1.4 Photosynthesis
More in this course
Go back to the full GCSE OCR Higher Biology topic list, or practise this topic with past-paper questions.
Frequently asked questions
What is B1: Cell level systems?
Cells, DNA use in cells, respiration and photosynthesis. 27 lessons in 4 subtopics.
What is the equation for photosynthesis?
The equation for photosynthesis is carbon dioxide + water → glucose + oxygen, in the presence of light. The The Photosynthesis Equation and Chemical Symbols notes cover this in full.
What is the equation for anaerobic respiration?
In muscles, anaerobic respiration is glucose → lactic acid. The Anaerobic Respiration and Fermentation notes cover this in full.
What does DNA stand for?
DNA stands for deoxyribonucleic acid. The The Structure of DNA notes cover this in full.
What is the word equation for photosynthesis?
The word equation for photosynthesis is carbon dioxide + water → glucose + oxygen, with light energy needed for the reaction. The The Photosynthesis Equation and Chemical Symbols notes cover this in full.
How do you calculate magnification?
Magnification is calculated with magnification = image size ÷ real size. The Magnification Calculations notes cover this in full.
What is the word equation for aerobic respiration?
The word equation for aerobic respiration is glucose + oxygen → carbon dioxide + water + energy. The Aerobic Respiration notes cover this in full.
What is an enzyme?
An enzyme is a biological catalyst that speeds up specific chemical reactions in living organisms by lowering the activation energy required. The The digestive system and enzymes notes cover this in full.
What is the function of the cytoplasm?
The cytoplasm is a jelly-like substance where chemical reactions take place and in which organelles are suspended. The Comparing Animal and Plant Cell Structures notes cover this in full.