Beet Cells

MATERIALS AND METHODS Part I. Temperature tastees on biological membranes. 1.Six (6) 10mm-long beetrootrootroot outset nucleuss of reproducible diameter, utilise a cork borer. 2.beetroot cores were hardened into a 200mL beaker of tap pee (room temp) for 2 minutes. aft(prenominal) 2 minutes gently outback(a) the beet cores and discard the dampen urine. 3.Placed apiece beet core into for severally one of sextette clean dry examination renders. cover tube with seal material. 4.Placed distributively one of the test tubes into varied climates. render tubes were labeled before being put into the climate. brainiac in a freezer at or so -20 degrees Celsius, iodine in a refrigerator at alert 4 degrees Celsius, whizz in a water stern at closely 20 degrees Celsius, One in a water tub at about 45 degrees Celsius, One in a water bath at about 60 degrees Celsius, and One in a water bath at about 70 degrees Celsius. Leaving each test tube in the specified cl imate for 20 minutes. 5.After the discussion design was over 10mL of distilled water (room temp) was added to each test tube. common beet cores were allowed to sneak for an additional 20 minutes. 6.After 20 minutes, removed beet cores from distilled water. 7.Mixed each test tube so that the pigment was uniform throughout the solution. 8.

Measured the absorbance of each test tube with the distilled water that contained beet pigment (betacyanin) utilise a spectrophotometer at a 460nm wavelength. 9.Data collected was recorded in lab notebook and in addition recorded on the blackboard. Part II. primitive solvent stress on biological membranes. 1.Five (5) 10mm-long beet root cor es of uniform diameter, using a cork borer. ! 2.Beet cores were placed into a 200mL beaker of tap water (room temp) for 2 minutes. After 2 minutes gently removed beet cores and discarded the rinse water. 3.Placed each beet core into each of five clean dry test tubes. 4.Labeled each test tube with the solvent treatment that it was to contain. a.1% acetone b.50% acetone c.1% methanol d.50% methanol e.Normal saline 5.Then...If you want to get a full essay, order it on our website: OrderEssay.net

If you want to get a full information about our service, visit our page: How it works.