Liquid error: Could not find asset snippets/loyaltylion.liquid

Edexcel GCSE Biology Topic 1 - Key Concepts in Biology




Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you.


  I can describe the structure of a plant cell and explain the function of all the main parts

 • I can describe the structure of an animal cell and explain the function of all the main parts

 • I can describe the structure of a bacterial cell

 • I can describe the size of different cells

 • I can describe and explain a range of specialised cells

 • I can describe how microscopy techniques have changed over time

 • I can use very small numbers, milli, micro, nano and pico

 • I can use standard form  Higher tier only

 • I can calculate magnification

 • I can use a microscope

 • I can describe how an enzyme works

 • I can explain how an enzyme is affected at different temperature, substrate concentration and pH

 • I can describe the ‘lock and key’ mechanism

 • I can calculate the rate of reaction for an enzyme catalysed reaction

 • I can recall for named type of enzyme (amylase, lipase and protease) the location of production and the action

 • I can recall the identification tests for starch, sugars, proteins and fats  Biology only

 • I can describe the use of calorimetry  Biology only

 • I can define the term diffusion

 • I can recall which substances are moved by diffusion

 • I can describe the process of diffusion

 • I can explain how different factors affect diffusion

 • I can describe the advantage of having a large surface area to volume ratio and give examples

 • I can define the term osmosis

 • I can describe the process of osmosis

 • I can define the term active transport

 • I can describe the process of active transport

 • I can give examples of active transport in action

 • I can calculate percentage change in osmosis