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THE

FUNDAMENTALUNIT OF LIFE :

CELL

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Cell Parts

Cells the basicunit of life

Organelles - small

structures inside acell with specicfunctions.

Analogy City of Rocklin

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A) Cell Membrane/Plasma Membrane

Analogy Rocklin city limits

1. Function: Regulates materials enteringand exiting the cell.

2. Structure: Two laers of phospholipids!proteins

Cell

membrane

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"# Ctoplasm

1. Function: $ll cell contents that lie between the cellmembrane and the nucleus. %organelles & ctosol#a. Ctosol ' li(uid portion)non-organelles.

2. Structure: made up of *uid and organelles exceptfor nucleus

Analogy All air, water, life that are in Rocklin, except

City Hall

Cytoplasm

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C# +ucleus

1. Function: ,Control Center. Regulates

+$ / R+$ actions.2. Structure: membrane bound! contains

+$

Analogy City Hall

!cle!s

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") "A "eoxyribon!cleic aci#

Analogy $he %aws or City Co#e

1. Function& information on how to make

proteins'

a' Chromatin !norgani(e# "A normal state)

b' Chromosomes organi(e# "A present beforecell #i*ision

2. Structure& Ma#e !p of n!cleoti#es, locke# in

the n!cle!s

"A chromatin)

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+) ac!oles - esicles

Analogy .rocery stores, water tanks'

1. Function& torage for water, n!trients or

waste'

2. Structure:small membrane0bo!n# organelle'

esicles

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1) %ysosomes

Analogy Recycling center

1. Function& packets of en(ymes that break

#own materials in a cell'2. Structure& mall membrane0bo!n#

organelles

%ysosomes

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.) Cytoskeleton

Analogy 2oo#, cement, steel beams

1. Function& Pro*i#e s!pport an# str!ct!re for

the cell'

a' Microfilaments

b' Microt!b!les

2. Structure: $!b!les

Microfilaments

Microt!b!les

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H) Chloroplasts Plants only)

Analogy olar Panels

1. Function& site of photosynthesis con*erting

s!n an# C34 into s!gar)'

2. Structure& Membrane bo!n# organelles that

contain chlorophyll

Chloroplasts

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5) Cell 2all Plant cells only)

Analogy gro!n#, rock wall

1. Function& Pro*i#es s!pport for the cell an#

the plant'

2. Structure& Ma#e of cell!lose

Cell 2all

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NAME :- PRIYA

RAO

CLASS :- I A

SU!"ECT:- !IOLO#Y