Biology paper1

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• 3.2 CHP Store
• B1 Cell Biology
• Mame the ne copales of plant
• the releas
• con el nat
• opet in plant and plain seal as a red t
• plain how the
• Conacribe ref
• 1.2 Celldwan
• Peval esade of acet conta comesos
• droncome casa lage ser of genes inledy on
• Give an view of real
• de of Des Bach
• the cally found
• Understand that Cell division by a bipertet in the gweihand developed of
• ecoge and debts where c
• Define a stem co
• Recall that stem ok from hue embryos and adult bone marrow can be cleed and wade to
• deute inte mire different types of beco
• Name some conditions which may be helped by treatment with stem cel
• Docuss the ethical armies ofgctions and petectial risk of steve od se
• Recall that store celb froes merrteres is plants can be used to produce clones of planto quickly
• and exosanically describe posible unes
• 1.3 Transport in cells
• Explace how substances may move in and est of cal across the callmendrases va dokon
• Describe dmsion
• Recall that some of the substasors transported in and out of cells by dthaien are coygen and
• carbon dioxide in ga charge, and of the waste prodct us from cells into the Wood plorsa
• for excretion in the kidney
• Roescribe factors the affect the rate of disine
• Recal chat a angle-celled orgasion has a relatively large surface area to vokse ratio to allow
• sufficient transport of molecules into and out of the cel
• Explain how the small intestine and kungs in marum, gls in fish, and the roots and lows in
• plants, are adapted for exchanging materials
• List factors that increase the effectiveness of an exchange surface
• Describe osmosis
• Recall that active transport moves substances from a more dilute solution to a more
• oncentrated solution (against a concentration gradient. This requires energy from respiration
• nk the structure of a root hair cell to its function