Biology :  AS revision notes. 

 -  Letts Educational,  2000. 
 - 96p :  Ill. ;  29 cm. 
 - OCR endorsed AS revision notes .
 - Letts Advanced Subsidary biology. .
<br/><br/> Written in ready-to-revise note form, these illustrated revision notes contain all the essential information for students studying the biology OCR syllabus. 
<br/><br/><label>ISBN: </label>1840855207 9781840855203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>A / AS level biology.
<br/><br/><label>Subjects--Index Terms: </label>biology science revision molecules cells enzymes genetic code ecosystems energy human health disease $# UK-BfC