B2+-+Syllabus+Checklist

**B2. Cells**

 * ======Serial No====== || **Assessment Statement.** //All candidates should be able to:// || ======Covered in Class====== || ======Revised @ home====== || ======I am certain====== || ======I need help====== ||
 * ======**2.1 Cell structure**====== ||
 * ======1====== || ======State that living organisms are made of cells.====== ||  ||   ||   ||   ||
 * ======2====== || ======Identify and describe the structure of a plant cell (palisade cell) and an animal cell (liver cell), as seen under a light microscope.====== ||  ||   ||   ||   ||
 * ======3====== || ======Describe the differences in structure between typical animal and plant cells.====== ||  ||   ||   ||   ||
 * ======4====== || ======Relate the structures seen under the light microscope in the plant cell and in the animal cell to their functions.====== ||  ||   ||   ||   ||
 * ======5====== || ======Relate the structure of the following to their functions:======

• root hair cells – absorption.
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 * ======6====== || ======Calculate magnification and size of biological specimens using millimetres as units.====== ||  ||   ||   ||   ||
 * ======**2.2 Movement in and out of cells**====== ||
 * ======1====== || ======Define //diffusion// as the net movement of molecules from a region of their higher concentration to a region of their lower concentration down a concentration gradient, as a result of their random movement.====== ||  ||   ||   ||   ||
 * ======2====== || ======Describe the importance of diffusion of gases and solutes and of water as a solvent.====== ||  ||   ||   ||   ||
 * ======3====== || ======Define //osmosis// as the diffusion of water molecules from a region of their higher concentration (dilute solution) to a region of their lower concentration (concentrated solution), through a partially permeable membrane.====== ||  ||   ||   ||   ||
 * ======4====== || ======Describe the importance of osmosis in the uptake of water by plants, and its effects on plant and animal tissues.====== ||  ||   ||   ||   ||
 * ======5====== || ======Describe and explain the importance of a water potential gradient in the uptake of water by plants.====== ||  ||   ||   ||   ||