Die Brownsche Molekularbewegung.
Die Diffusion.
Die Osmose.
Die Kapillarität.
Der Transpirationssog.
Eine Arbeitspräsentation für den Biologieunterricht in Klasse 9.
Die Brownsche Molekularbewegung.
Die Diffusion.
Die Osmose.
Die Kapillarität.
Der Transpirationssog.
Eine Arbeitspräsentation für den Biologieunterricht in Klasse 9.
25. Fig. 7-9 (a) Transport ATP (b) Enzymatic activity Enzymes (c) Signal transduction Signal transduction Signaling molecule Receptor (d) Cell-cell recognition Glyco- protein (e) Intercellular joining (f) Attachment to the cytoskeleton and extracellular matrix (ECM)
26. Fig. 7-7 Fibers of extracellular matrix (ECM) Glyco- protein Microfilaments of cytoskeleton Cholesterol Peripheral proteins Integral protein CYTOPLASMIC SIDE OF MEMBRANE Glycolipid EXTRACELLULAR SIDE OF MEMBRANE Carbohydrate
33. Lower concentration of solute (sugar) Fig. 7-12 H 2 O Higher concentration of sugar Selectively permeable membrane Same concentration of sugar Osmosis
34.
35. Fig. 7-13 Hypotonic solution (a ) Animal cell (b ) Plant cell H 2 O Lysed H 2 O Turgid (normal) H 2 O H 2 O H 2 O H 2 O Normal Isotonic solution Flaccid H 2 O H 2 O Shriveled Plasmolyzed Hypertonic solution