Download Word bonk: focilitoted, diffusion , glucose, proteins, osmosis thot olso

Name
Composition of the Cell lirlembrane & Functions
The cell membrone is olso colled o
becouse it is mode up of two loyers. An individuol molecule in the
This molecule hos o
cell membrane is called
"heod" thot is woter ottrocting or
ond two
"toils" thot is woter repelling or
The
SKETCH o molecule f rom Ihe cell membron e here coloring the
heods red ond the toils blue:
Tronsport Thot Doesn't Reguire Energy
Word bonk: focilitoted, diffusion , glucose, proteins, osmosis
thot olso
Embedded in the cell membrane sre
diffusion. Lorge molecules like
use these "doorwoys" or chonnels because they
ore two big to wiggle through the membrone. Smoller molecules
like woter move through the membrane without o chonnel. This is
When porticles move ocross the membrone
colled
it is colled
Transport Peguiring Energy
Word bonk: ATP, octive, endocytosis, exocytosis, highe?,lowe?,
membrone, possive, protein, pump
tronsport is tronsport thot requires ene?gy, as
opposed to
tronsport, which does not require
. Cells using
enetgy. The cell gets this energy from
octive tronsport are moving porticles f rom on oreo of
concentrotion to on orea of
concentrotion. One type of o,ctive tronsport uses o
. Muscle cell controction is on example of this.
Large molecules move into the cell through
ond out of the cell through
Correctly identify the nome f or each port of the cell membrone.
Letter(s)
N ame/Color
Phospholipid bilayer
(no color)
Proteins (green)
Fotty ocid toils (light
blue)
Phosphote heods
(purple)
lllatch the cell membrone structure or its function with the
correct letter f rom the cell membrone diogrom.
Letter
Structur
e/Function
Hydrophobic
Letter
Structur e/Function
Hydrophillic
Moke up the biloyer
Involved in cell-to-cell
recognition
Help tronsport certoin
moteriols ocross the cell
membrone
WaFer moves ocross membrqnes f rom
to
concentrotion.
Use BLACK APPOWS to show the direction of water
movement into or out of each cell. Color the cell that will swell
RED. Color the cell that will shrink BLUE. Color the cell in eguilibrium 6PEEN.
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fCIO16 WATEP
of the blood cells below is in a salt solution. Is the
concentration of SALT in each solution: HI6HER, LOWEP,
Each
the SAlilE as the cell's salf concentration?
of the onion cells below is in a salt solution. Is the
concentration of SALT in each solution: HI6HEP, LOWEP, or
Each
the SAIAE as the cell's salt concentration?
What does diffusion and osmosis have to do with the cell membrane? Well, the cell
membrane is selectively permeable. That means that water and oxygen can move
freely across the cell's membrane by diffusion but larger molecules need help.
Consider these situations:
trnrrnt
C*l*ry
FrEshlEter
fttffrted
Snlt
l*fer
Use your understanding of osmosis and diffusion to explain what will happen to the
carrot, celery and raison in each of the solutions.
FRESH WATER
SALT WATER