4.1.1 Cell structure

Use the terms 'eukaryotic' and 'prokaryotic' to describe types of cells

Describe the features of bacterial (prokaryotic) cells

Demonstrate an understanding of the scale and size of cells and be able to make order of magnitude calculations, inc standard form

Recall the structures found in animal and plant (eukaryotic) cells inc algal cells

Use estimations and explain when they should be used to judge the relative size or area of sub-cellular structures

Required practical 1: use a light microscope to observe, draw and label a selection of plant and animal cells

Describe the functions of the structures in animal and plant (eukaryotic) cells

Describe what a specialised cell is, including examples for plants and animals

Describe what differentiation is, including differences between animals and plants

Define the terms magnification and resolution

Compare electron and light microscopes in terms of their magnification and resolution

Carry out calculations involving magnification using the formula: magnification = size of image/ size of real object -inc standard form

Describe how bacteria reproduce and the conditions required

Describe how to prepare an uncontaminated culture

Calculate cross-sectional areas of colonies or clear areas around colonies using πr²

Calculate the number of bacteria in a population after a certain time if given the mean division time

Express answers for last two points in standard form