Briefly describe water potential. What are the factors affecting it?

The Goldman Equation is different from the nernst in that in considers: a) several ions b) permeability ratios c) action potentials d) a & b e) a, b, c

Explain tonicity. Define the terms hypertonic, hypotonic, and isotonic and explain how they relate to the movement of water and solutes in solution. Be sure to use the words swelling, lysis, and crenation (shriveling) in the discussion.

(16) table b cell sap. Sodium ion concentration Pond water Cell sap 180 90 0.4 500 Giving reasons name the process through which each of the ions is taken up by the plants Sodium ion (i) (ii) Iodine ion (b) (c) (2mks) (2mks) The lettuce plant was then treated with a chemical substance that inhibits the synthesis of ATP Giving a reason, state which ion was affected by the treatment Explain why fresh water fish cannot survive is marine habitat 324. The diagram below represents recycling of nutrients in a certain ecosystem (2mks) (2mks) Conlight produces Wumeral Sath and hom (a) Name the trophic level represented by Q (b) Name the process represented by: I SemmaTY Consumer "Dead brganism Compiled and supplied online by Kenya Educators Consultancy | P.O. Box 8076-00200, N +254724333200 | +254 795491185 mail: kenyaeducators@gmail.com Website: www.kenyaed help retain of insultTony layer Tronment Ditel S18 by 4G a layer of an close Juring brat last. This pa atomy with thick air.