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:Whichofthesesubstancesdiffusedacrossthear&ficialmembraneusedinyesterday’slab?

A

D

C

B

LabDebrief:Discuss:Howwereeachoftheseideasdemonstratedinyesterday’slab?

– Selec&velyPermeableMembrane– Diffusion– Osmosis– DynamicEquilibrium

WhiteboardPrac&ce:

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?

Review:Whyarediffusion&osmosisimportantforcells?

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?

Review:Iden&fythetypeofcellshownhere.

Review:Iden&fythetypeofcellshownhere:

Review:Iden&fythisorganelle:

Review:Iden&fythetypeofcellshownhere:

Review:

Iden&fytheorganelleshownhere:

Review:List2organellesinvolvedincapturingandreleasingenergytopowercellprocesses.

Review:List2organellesthatarefoundinALLcells.

Review:List4organellesinvolvedinpackaging&storingmaterials.

Review:List2organellesinvolvedinmakingandmovingproteins.

Review:List3organellesinvolvedinprovidingstructureandsupportforthecell.

Review:Listtheorganellethatismostresponsibleforselec&ngwhatentersandleavesthecell.

Review:Which2organelleshavetheirOWNDNA?

Homework#4:Endosymbiosis=2ormoreprokaryotes

combinetoworktogetheras1cell

Video:TheInnerLifeoftheCellThisisourfinal&mewatchingthisvideo.Asyouwatch,pleasefillinthenotesonthebackofyourorganellecoloringhomework.hlps://www.youtube.com/watch?v=wJyUtbn0O5Y

!

Q&ATime:

Quiz!

Homework:

•  Osmosis&DiffusionLabpacketandconclusionsaredueMONDAY.– Honors:Pleasetypeyourconclusion.– Standard:Pleasefillouttheconclusionplanningtemplateforyourconclusion.

•  UseyourStudyGuidetostartpreparingfortheUnit2Test!