Objec&ves: • Today we will… – Debrief Osmosis & Diffusion Lab – Whiteboard prac&ce – Q&A Time – Friday Quiz! • So that we can… – Define Hypertonic, Hypotonic, Isotonic – Predict how water and other substances will flow across the cell membrane
Objec&ves:
• Todaywewill…– DebriefOsmosis&DiffusionLab– Whiteboardprac&ce– Q&ATime– FridayQuiz!
• Sothatwecan…– DefineHypertonic,Hypotonic,Isotonic– Predicthowwaterandothersubstanceswillflowacrossthecellmembrane
BellWork:1) Pleasetakeoutyourosmosis&diffusionlabfrom
lastclass&yourorganellecoloring.
2) Pleasetakeoutlastnight’sHW:Prac&ceforTypesofCells&Organellesquiz.AddittoyourtrackerandIwillbearoundtostampit.
3) Whileyouarewai&ng,pleasecheckyouranswerstoyourhomeworkwithyourpartner.
EndofUnitReminders:
• UnitTestforUnit2:TheBuildingBlocksofLifeisnextweekonblockday(Wed10/4orThurs10/5.)Remember,thisisourfinalopportunitytoassessonUnit2topics,sobepreparedtoshowyourbestwork!
• Thisisalsothelastdaytoturninanymissing/revisedworkfromUnit2.Aaerthisdate,any“M’s”or“I’s”turnintozeros.
Osmosis&DiffusionLabDebrief:Discusswithyourpartner:Whatisthenameofeachmolecule?HowaretheirdifferencesinSTRUCTUREimportantforthislab?
A
D
C
B
LabDebrief:Discuss:Howwereeachoftheseideasdemonstratedinyesterday’slab?
– Selec&velyPermeableMembrane– Diffusion– Osmosis– DynamicEquilibrium
Prac&ce:
Youhaveacell,witha1%concentra&onofsaltinit.Youputitintoasolu&onwitha10%concentra&onofsalt.
Pleasedrawadiagramshowingwhatosmosisanddiffusionyouwouldexpecttooccur.
Prac&ce:Youhaveacell,witha5%concentra&onofcarbondioxideinit.Youputitintoasolu&onwitha3%concentra&onofcarbondioxide.
Pleasedrawadiagramshowingwhatosmosis&diffusionyouexpecttooccur.
Isthissolu<onhypertonic,hypotonic,orisotonic?
Prac&ce:
Youhaveacell,witha0.5%calciumconcentra&on.Youputitintoasolu&onof0.3%calcium.1. Pleasedrawadiagramtoshowhowosmosis&
diffusionwouldoccur.2. Describethesolu&onashypertonic,hypotonic,
orisotonic.3. Whatdoyouexpecttoseehappentothecell?
Prac&ce:You place a cell that contains no glucose in a solution of 5% glucose. 1. Please draw a diagram to show how osmosis
& diffusion would occur. 2. Describe the solution as hypertonic,
hypotonic, or isotonic. 3. What do you expect to see happen to the
cell?
Prac&ce:You place a cell that Contains 3% starch a solution containing no starch. 1. Please draw a diagram to show how osmosis
& diffusion would occur. 2. Describe the solution as hypertonic,
hypotonic, or isotonic. 3. What do you expect to see happen to the
cell?
Video:TheInnerLifeoftheCellThisisourfinal&mewatchingthisvideo.Asyouwatch,pleasefillinthenotesonthebackofyourorganellecoloringhomework.hlps://www.youtube.com/watch?v=wJyUtbn0O5Y
!