A worksheet to help students udnerstand the principles of the bases in DNA coding for amino acids and subsequently proteins. Students work through the DNA sequence matching each triplet of bases to the correct amino acid and then answer the questions.

Cell membranes fill in sheet for students to use as a revision tool at the end of the cell membranes topic. Designed to be used for the OCR AS Biology course.

Consoldiation/revision activity for the mitosis unit. Designed to be used for the OCR AS Biology course.

Builds on knowledge of specialised cells from GCSE. Includes erythrocyte, neutrophil, ciliated epithelium, sperm, palisade cell, guard cell etc. Designed to be used for the OCR AS Biology course in combination with the course textbook. Includes a practice question and mark scheme on the adaptations of red blood cells

Builds on knowledge of mitosis and meiosis from GCSE. Introduces the cell cycle and the different steps in mitosis. Designed to be used for the OCR AS Biology course in combination with the course textbook.

Builds on ideas from GCSE's, introduces concepts such as plasmolysis, turgidity etc

Includes active transport and bulk transport. Designed to be used for the OCR AS Biology course in combination with the course textbook.

Includes diffusion, carrier and channel proteins, the types of molecule and which way they are transported with regards to the properties of the molecule. Designed to be used for the OCR AS Biology course in combination with the course textbook.

Tutorial giving examples of cell signalling and commmunication. Designed to be used for the OCR AS Biology course in combination with the course textbook.

The fluid mosaic model of the cell membrane. Includes activity for students to fill in the functions of each part of the membrane. Designed for OCR AS Biology, to be used in combination with the OCR textbook.

Revision of understanding on prokaryotes and eukaryotes. Contains a practice question and the Mark scheme.

Brings together the different organelles in the protein secretion pathway.

A guide to the main cellular organelles within animal and plant cells. Includes plastercine modelling activity and a group essay.

Tutorial guides students through the main differences between plant and animal cells and details of the cytoskeleton, cilia, vesicles etc.

ICT research task for students to do as homework. Includes a marking sheet for formative feedback to students on each aspect of the homework.

Guides students through the main differences between the light and electron microscope and the TEM and SEM. Include practical-looking at plant and animal cells under the microscope.

An introduction to cells at AS level (designed for OCR A Level Biology course) and microscopy, staining, resolution and magnification.

Students investigate variation in the classroom and display their results graphically.

Low ability. Students to search for keywords in the wordsearch and then write definitions for each word.

Practical sheet for students to take out and do fieldwork for pitfall traps and invertebrate sampling.