B1 AQA (9-1) GCSE Revision

What features to both plant and animal cells have?

What additional features to plant cells have?

What is the average size of cells?

What unit is used to measure cells?

What are micrometres and nanometres in milimetres?

How do you calculate magnification?

How do you calculate magnification of an image?

What is the highest possible light microscope magnification?

What is resolving power?

What is the resolution of a light microscope?

What is a TEM?

What is an SEM?

What chemicals can we use to stain plant cells?

What to we mount cells on to?

What are the benefits / downsides of high magnification?

What are the two methods of showing actual size of a cell?

What does prokaryotic mean and what type of cells are prokaryotic?

What do bacteria store their DNA as?

What are eukaryota?

What are the seven defining attributes of an animal or plant?

(difficult)

What are the three domains and who came up with them?

How is a sperm cell adapted to its function?

What is the progression of stages leading up to an organ system?

How many chromosomes does a NORMAL human have?

What causes mitosis?

What happens in what order for mitosis?

What is the name of the cells formed?

What are the three main stages of the cell cycle?

What is cancer?

What are the features of a benign tumour?

What are the key features of a malignant tumour?

What causes cancer?

What are stem cells?

Where are stem cells found?

What can stem cells help with?

What is the main argument against stem cell research?

What is one of the main issues with stem cell therapy (medically)

How does therapeutic cloning work?

What are the main scientific questions surrounding the problem?

What are the two main ethical questions?

What are viruses made up of?

What is a fertilized egg cell known as?

When does mitosis occur?

What can't embryonic stem cells develop into?

What happens to differentiation when a cell mutates and becomes cancerous?

What do organisms need energy for?

What is aerobic respiration?
(formula + definition)

Describe how aerobic respiration provides energy

(Advanced / not required)

What is the term for respiration without oxygen?

What is the equation for fermentation?

What causes cramp?

What is oxygen debt?

What are bacteria grown in?

What is the culture medium?

How do you prevent contamination and what is the procedure known as?

What is the process of bacteria division?

A colony contains:
A) Thousands of bacteria
B) Millions of bacteria
C) Billions of bacteria

What are the three main phases of colony development?

How do you test the effectiveness of antibacterial substances?

What are the two main differences between bacteria grown in schools vs labs?

What is the maximum number of discs per plate?

What is the main anti-biotic resistant bacteria?

What is the name of the test (two prior)

Before beginning an experiment - what must you carry out?