Written by experienced authors and practising teachers the Essentials student book matches the OCR specifications for AS Biology and Human Biology.Liver cell nucleus Chloroplast envelope comprising inner and outer membranes Stroma Starch grain - stores photosynthetic products Ribosomes - small (70S) type Chloroplast DNA - circular formation Thylakoid - Large thylakoid, stacked together to connecting grana (= intergranal ... In contrast, its function remains essentially the same - to retain the organisma#39;s hereditary material and to control the cella#39;sanbsp;...
|Title||:||Essential AS Biology for OCR|
|Author||:||Glenn Toole, Susan Toole|
|Publisher||:||Nelson Thornes - 2004|