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Celler og DNA

Introduktion til dyre- og plantecelle samt DNA
by

Pernille Gottlieb Danielsen

on 10 December 2013

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Transcript of Celler og DNA

Biologi i 9.b
Genetik
DNA-strengen
Cellen
Program de næste 4 uger
- I cellekernen ligger DNA

- DNA kaldes vores arvemateriale

- I hver celle findes 46 DNA-strenge
Dyrecellen
Dyrecellen indeholder:
- Alt er opbygget af celler!
- Man skelner mellem dyrecelle og plantecelle

- Cellerne er specialiseret til det de skal bruges til
- Forskellige udseende men indeholder de samme organeller
1. Introduktion til cellen og DNA

2. Proteinsyntese + opstart af Stop Motion film

3. Arbejde med Stop Motion film

4. Visning af film samt evaluering
Baseparrene sidder altid parvis!
Adenin
-
Thymin
Cytosin
-
Guanin
Introduktion til cellen og DNA
Kanten i DNA-molekylet er opbygget af phosfat - og sukkermolekyler
P
S
P
Plantecelle
Cellekerne - Indeholder DNA
Mitochondrier - Cellens energifabrik
Cellemembran - Afgrænser cellen
Ribosomer - Cellens proteinfabrik
Cytoplasma - Celleslim
Mitochondrie
Respirationsprocessen
Ribosomer
Her cellernes proteinsyntese sker
Næsten samme opbygning som dyrecellen.
Grønkorn - plantens energiforsyning
Cellevæg - afstiver planten
I cellens grønkorn sker fotosyntesen
Vakuole - opbevaring af næringsstoffer
46 kromosomer
Full transcript