Snab biology topic 3 - Study guides, Revision notes & Summaries

These are A* quality notes that I wrote during my A Levels to help me revise for A Level Edexcel A SNAB Biology. Notes and resources for this exam board are very limited so I hope these notes help students that are struggling to find resources online. I wrote these using my class notes, the Edexcel SNAB textbook, mark schemes and other online resources such as savemyexams. At the end of the document, I have written some common exam questions that I came across during my revision along with their...

Topic 3 A Level Biology Edexcel SNAB

Topic 3 A Level Biology Edexcel SNAB

Description of nucleus - correct answer large organelle surrounded by a nuclear envelope which contains pores. the nucleus contains chromatin (which is made from DNA and proteins and a structure called the nucleolus. Function of nucleus - correct answer Controls the cells activities by controlling the transcription of DNA. DNA contains instructions to make proteins. Pores allow substances to move between the nucleus and cytoplasm. The nucleolus makes ribosomes Description of lysosome - cor...

Topic 3 A Level Biology Edexcel SNAB

Function of flagellum - ANS-provides movements so that sperm can swim to egg Function of mitochondria - ANS-Aerobic respiration Produces ATP for movement

Topic 3 A Level Biology Edexcel SNAB.

Topic 3 A Level Biology Edexcel SNAB.

Topic 3 A Level Biology Edexcel SNAB

Topic 3 A Level Biology Edexcel SNAB