TY - BOOK TI - OCR gateway GCSE biology: all-in-one revision and practice T2 - Collins GCSE revision and practice SN - 9780008160777 (pbk.) : AV - QH316 PY - 2016/// CY - London PB - Collins KW - Biology KW - Examinations KW - Study guides KW - Problems, exercises, etc KW - Popular Science and Mathematics N2 - This science revision and practice range contains clear and accessible explanations of all the GCSE content, with lots of practice opportunities for each topic throughout the book. Based on new research that proves repeated practice is more effective than repeated study, this book is guaranteed to help you achieve the best results ER -