A Story About Cakes

Joe Wright Portsmouth College

1. A Cake Factory

2. Inside his office Mr Kipling writes his recipe

Crunchy Frog?Anthrax Ripple?

3. To make sure the recipe isn’t lost or tampered with, he photocopies it to go

to the kitchen

4. The photocopied recipe is delivered to the chefs

5. The chefs use the recipe to make the cakes, they have all the ingredients

they need

6. Some of the cakes are eaten by tasters in the factory

7. Some of the cakes are transported out of the factory for everybody else to

eat

ComparisonCake Factory Protein Synthesis

Factory Cell

Recipe

Nucleus

Photocopying Recipe

Translation

Photocopy of recipe mRNA

Chef Ribosome

Ingredients Amino acids

Cakes Proteins

Tasters Cell using its own proteins

Trucks Cell secreting proteins e.g. enzymes (exocytosis)

Making the cakes

Transcription

Mr Kipling’s Office

DNA

How has Protein Synthesis Been Exploited?