4151902
Frage 1
Frage
Match the organelle with its functions (Plasma membrane)
Antworten
-
controls movement of molecules in and out of the cell
-
cell signalling
-
cell adhesion
-
has its own genome
-
principal site of ATP synthesis
-
contain enzymes that degrade obsolete cellular components
-
acidic
Frage 2
Frage
Match the organelle with its functions (Mitochondria)
Antworten
-
“power plant” of the cell
-
has a double membrane
-
has its own genome
-
principal site of ATP synthesis
-
rRNA processing
-
synthesis of fatty acids and phospholipids
-
Ca2+ storage in cell
Frage 3
Frage
Match the organelle with its functions (Lysosomes)
Antworten
-
contain enzymes that degrade obsolete cellular components
-
acidic
-
convert H2O2 to H2O
-
protein transport in vesicles
Frage 4
Frage
Nucleolus
Antworten
-
within nucleus
-
has no membrane
-
rRNA processing
-
ribosomal assembly
-
has a double membrane • contains DNA genome
-
mRNA, tRNA synth
-
protein transport in vesicles
Frage 5
Frage
Nucleus
Antworten
-
has a double membrane
-
mRNA, tRNA synth
-
contains DNA genome
Frage 6
Frage
Smooth endoplasmic reticulum (SER)
Antworten
-
synthesis of fatty acids and phospholipids
-
Ca2+ storage in cell
-
protein folding
-
protein modification
Frage 7
Frage
Rough endoplasmic reticulum (RER)
Antworten
-
ribosomes
-
protein synthesis
-
protein folding
-
support membranes, organise organelles
-
important for cell movement
-
controls movement of molecules in and out of the cell
Frage 8
Frage
Golgi complex
Antworten
-
protein sorting
-
protein modification
-
protein transport in vesicles
-
has its own genome
-
mRNA, tRNA synth
-
cell signalling
Frage 9
Frage
Cytoskeletal fibers
Antworten
-
forms networks: microtubules, microfilaments, intermediate filaments
-
support membranes, organise organelles
-
important for cell movement
-
contain enzymes that degrade obsolete cellular components
-
controls movement of molecules in and out of the cell
-
has a double membrane
Frage 10
Frage
Chloroplast
Antworten
-
has a double membrane
-
has its own genome
-
has internal membranes: thylakoids
-
rRNA processing
-
protein folding
Frage 11
Frage
Peroxisomes
Antworten
-
convert H2O2 to H2O
-
contain enzymes that degrade obsolete cellular components
-
Ca2+ storage in cell
-
protein transport in vesicles
Frage 12
Antworten
-
Plasma membrane
-
DNA
-
cell wall
-
flagellum
-
ribosomes
Frage 13
Antworten
-
20 mm
-
4 mm
-
0.2 mm
-
30 um
-
2 um
-
0.2 um
-
20 nm
-
2 nm
-
0.2 nm
Frage 14
Frage
The structure of a bacterium (prokaryote)
Antworten
-
No internal compartmentalisation
-
Genome (DNA) lies freely in cell
-
0.1-1 um in size
-
Organo-, photo, or litotrophic
-
0.1-1 nm in size
-
Internal compartmentalisation
-
Packed DNA
Frage 15
Antworten
-
plasma membrane
-
nucleus
-
endoplasmic reticulum
-
mitochondrion
-
lysosome
-
peroxisome
-
ribosomes
-
mitochondria
Frage 16
Antworten
-
actin filaments
-
peroxisome
-
ribosome in cytosol
-
Golgi apparatus
-
Intermediate filaments
-
plasma membrane
-
nucleolus
-
nucleus
-
endoplasmic reticulum
-
mitochondrion
-
vesicles
-
extracellular matrix
-
nuclear envelope
-
nuclear pore
-
chromatin DNA
-
centrosome with pair of centrioles
-
microtubule
Frage 17
Antworten
-
nucleus
-
nucleolus
-
cytoplasm
-
cytosol
-
ER
-
Golgi apparatus
-
Mitochondria and chloroplasts
-
Lysosomes
-
Endosomes
-
Peroxisome
Frage 18
Frage
Exchange between different organelles and the outside of the cell is mediated by...
Antworten
-
vesicles
-
endosomes
-
cytosol
-
Ca2+
-
Golgi complex
Frage 19
Antworten
-
absent
-
present
-
1 um
-
10-100 um
-
present
-
absent
-
10-100 um
-
1 um
-
Absent
-
present
-
present
-
absent
-
absent
-
present
-
present
-
absent
-
1x10^6 to 5x10^6
-
1.5x10^7 to 5x10^9
-
1x10^6 to 5x10^6
-
1.5x10^7 to 5x10^9
-
single circular DNA molecule
-
multiple linear DNA molecule
-
multiple linear DNA molecules
-
single circular DNA molecules
Frage 20
Antworten
-
bacteria
-
anaerobic ancestral eukaryote
-
archae
-
ancestral prokaryote
-
chloroplasts
-
mitochondria
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