1. B4 Revision – Life Processes Part 1 What type of cell is this?
Enzymes
Draw a graph to show what happens to enzyme activity as temperature increases?
What type of cell is this?
Where is it found?
How is it adapted to it job?
activity
What are enzymes?
What do we call the model that is used to explain how enzymes work?
temperature
What happens to enzymes at high temperatures?
What is the function of:
cell wall
Nucleus
Cell membrane
Chloroplast
cytoplasm
Why do we need enzymes? Give some examples of processes that are controlled by enzymes.
B4 Revision
– Life Processes
Part 1
Osmosis
time
How are diffusion and active transport different?
What is diffusion?
How are osmosis and diffusion different?
What is active transport?
partially permeable membrane
What is a partially permeable membrane?
Name 3 things that move in or out of cells:
What is osmosis?

2. Draw and label a plant cell and an animal cell
________ respiration can take place in animal, plant and some microbial cells in conditions of low ________ or absence of _________ e.g.
Roots in waterlogged soil
Bacteria in puncture wounds
Human cells during vigorous exercise
Draw and label a plant cell and an animal cell
What is the energy produced in respiration used for?
Which is more efficient, aerobic or anaerobic respiration?
What is the word/symbol equation for photosynthesis?
What is the word/symbol equation for aerobic respiration?
B4 Revision
– Life Processes
Part 2
What are the tests for starch and glucose?
Starch:
Glucose:
Glucose is produced during photosynthesis. What does the plant use glucose for?
What three factors can limit the rate of photosynthesis?
Equations for anaerobic respiration
In animal cells:
Glucose _______ acid (+energy released)
In plant cells and some microorganisms:
Glucose _______ + carbon dioxide (+ energy released)
How can anaerobic respiration of microorganisms be useful?