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CeffStructureand Function . ReadinglNotetakingGuide
The Cell in lts Environment(pp.
ro2-r07)
This sectiolltells ho.osubstances
ftlooeinlo otrdout of cells.
UseTargetReadingSkills
As you read,write themnin idea-the biggestor nost importanti.det-in the
graphicorganizerbelow.Thenurite threesuryorthg detailsthatfurther explainthz
nain fuLea.
Main ldea
b.
Introduction(pp.102-103)
e
r. rhecettmembrane
isSe.t€ct t r.r€ | 't P I*ilFng"b""!f,",
somesubstancescan pass through it while othe6 cannot.
Diffusion(pp.ro3-r04)
2. List three ways that substancescan move into and out of a cell.
a. dr tf USr(.)n
b.osmos.\ts
rr
3. In diffusioq moleculesmove from at a.ea of _[j-9h
concentrahonto an area of
I D L.rl
concentration.
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56
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Class
€ll Structure and Function . Fleading/Notetaking Guide
Draw moleculeson PaJtB of tl€ diagram below to show how the
moleculesare distributed inside a1rdoutside the cell after diJfusion has
occurrcd.
After Dlffuslon
a9
e
ov
g
^o
\\"o
))a
t tS;3;3"
o
Osmosis(pp.104-105)
5. What is osmosis?
(an?
l\ft1 do niarl cellularprocesoes
dependon osmosis?
p
ode?uate
ActiveTransport(pp.106-107)
kratef
7. T\ owavsof moving thines in io and out of cellsthatdoNOl need
u."arFF[s ibn
,nd CSrr'r O.!tS
"n".gy
\4oving-P0,4\
material\ tlrough
- a cell membrane withoLlt Llsingenergy is
calJed
8.
i V€
rransporr.
How does
How
does achve
active transport
transoort differ
differ fTom
fTom passive
Dassive transport?
transDort?
9. List two ways that the cell moves things by active transpolt.
t-
b. trorsport
bj
en5urftnL
10. Is the following sentencetrue or false?As a cell getslarger,it takeslonger
for a molecule that has enteredthe cell to reachthe middle of the cell.
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