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Quiz von michelle_simms_w, aktualisiert more than 1 year ago
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Erstellt von michelle_simms_w
vor etwa 10 Jahre
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Frage 1
Frage
What is phylogeny?
Antworten
-
Desent with modification
-
Evolutionary relationships among organisms
-
Classification of organisms and determining evolutionary relationships
Frage 2
Frage
Which domain of life does mitochondria belong to?
Antworten
-
Eukayra
-
Archeaea
-
Bacteria
Frage 3
Frage
Which domain is most closely related to archaea
Antworten
-
viruses
-
bacteria
-
eukarya
Frage 4
Frage
How many chromosomes do Prokaryotes have?
Antworten
-
1
-
mulitiple
Frage 5
Frage
Which of the followings are common features in cells of all domains
Antworten
-
Cell membrane ,ribosome ,chromosome/sand cytosol (semi-fluid substance)
-
Cytoplasm, centromeres, mitochondria and nucleus
-
endoplasmic renticuluim, plasma membrane, Golgi apparatus and lysosomes
-
nuclear enveolope, vesicles, vacuoles, chloropyll
Frage 6
Frage
Eukaryotes.....
Antworten
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Have DNA enclosed in a membrane bound nucleus
-
Are small and less complex
-
Are large and more complex
-
Have no organelles
-
Are green
-
Have organelles
Frage 7
Frage
DNA floats around in prokaryotes
Antworten
- True
- False
Frage 8
Frage
How many lipid bilayers do cell membranes have
Antworten
-
1
-
2
-
3
-
4
Frage 9
Frage
Which image best describes the cell membrane
Antworten
-
cell countImage:need-a-minute (image/jpg)
-
selective barrier
-
free passageImage:come_on_in (image/jpg)
Frage 10
Frage
O2 and CO2 pass freely through the membrane of a cell because they are substances which are...
Antworten
-
polar
-
non polar
-
bi polar
-
Sligthly negatively charged
-
Slightly positively charged
Frage 11
Frage
Cholesterol is increases the fluidity of the phosplipid bilayer
Antworten
- True
- False
Frage 12
Frage
Which domain rRNA selection composed of 5s,16s,and 23s
Antworten
-
prokaryotes
-
eukaryotes
Frage 13
Frage
Eukaryotes have ribosomes free just in the cytoplasm
Antworten
- True
- False
Frage 14
Frage
Eukaryotic DNA is linear and found within the nucleus
Antworten
- True
- False
Frage 15
Frage
What is the name of the complex of proteins and chromosomes
Antworten
-
chromatin
-
centrosome
-
chromatosin
Frage 16
Frage
What is the name of the protein which holds the shape of the nucleus
Antworten
-
nuclear lamina
-
nuclear envelope
-
chromatin
Frage 17
Frage
Where is RNA synthesized?
Antworten
-
Nuclear pores
-
Nucleous
-
Chromatin
Frage 18
Frage
Bacterial DNA is found in 2 locations
Antworten
- True
- False
Frage 19
Frage
Plasmids...
Antworten
-
are straight
-
Contain genetic information
-
Are larger that the bacterial chromosome
-
Are smaller that the bacterial chromosome
-
Can exchange DNA between bacterial cells beneficial for antibiotic resistance
Frage 20
Frage
Which systems and organelles are not found in animal cells that are found in plant cells
Antworten
-
ribosomes
-
chloroplasts
-
mitochondrion
-
microvilli
-
central vacuole and tonoplast
-
cell wall
-
centrsome
-
plasmodesmata
Frage 21
Frage
The cytoplasm doesn't contain organelles
Antworten
- True
- False
Frage 22
Frage
microfilaments are the largest fibers in the cytoskeleton
Antworten
- True
- False
Frage 23
Frage
What are the functions for the cytoskeleton
Antworten
-
Anchor the organelles
-
uses ATP to move vesicles around the cells
-
make the cell bendy
-
link to one another to strenghten cell stucture
-
Regulate biochemical activites
Frage 24
Frage
Mirco tubules are hollow
Antworten
- True
- False
Frage 25
Frage
what is the function of the microtubules
Antworten
-
shaping the cell
-
moving the whole cell
-
Guiding movement of organelles
-
regulate cell temperature
-
Separating chromosomes during cell division
-
control the beating of cilia and flagella
Frage 26
Frage
The centrosome is made up of two centrioles
Antworten
- True
- False
Frage 27
Frage
The centrosome is a
Antworten
-
microtubule-organizing center
-
microtubule- diassembling center
-
microtubule-destuction center
Frage 28
Frage
Microfilaments are solid rods comprising a twisted double
chain of
Antworten
-
chtin subunits
-
actin subunits
Frage 29
Frage
the 3D cortex of the microfiliaments to change the cells shape
Antworten
- True
- False
Frage 30
Frage
bundles of the microfilament make up the core ore microvilli in the intestinal cells
Antworten
- True
- False
Frage 31
Frage
In muscle cells...
Antworten
-
Hundreds of actin filaments are arranged parallel to one another
-
Thousands of actin filaments are arranged parallel to one another
-
Millions of actin filaments are arranged parallel to one another
Frage 32
Frage
Myosin and ...... help in the movement of cells and are very important in muscles
Antworten
-
Actin
-
Chitin
-
Phosphourous
Frage 33
Frage
What are the functions of the intermediate filaments
Antworten
-
Maintence of cell shape
-
cytoplasmic streaming
-
formation of nuclear lamina
-
anchorage of nucleus and other organelles
-
muscle contaction
Frage 34
Frage
What the difference between the smooth and rough endoplasmic reticulum
Antworten
-
rough has ribsomes are located on the outside of the organelle
-
they are made up of different components
Frage 35
Frage
smooth ER secretes glycoprotiens
Antworten
- True
- False
Frage 36
Frage
What are the functions of the smooth ER
Antworten
-
secrete glycoprotiens, distributes transport vesicles- proteins surrounded by a membrane
-
synthesizes lipids, metabolizes carbohydrates, deoxifies drugs and poisons, stores calcium ions
Frage 37
Frage
which organelles make up the endomembrane sytstem
Antworten
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Nuclear envelope • Plasma membrane • Endoplasmic reticulum • Golgi apparatus • Lysosomes • Vacuoles
-
cell membrane - ribosome - chromosome/s - cytosol (semi-fluid substance)
Frage 38
Frage
The Golgi apparatus manufactures.....
Antworten
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micromolecules
-
phospolipids
-
macromolecules
-
nucleic aids
Frage 39
Frage
what is the name of the process where Vesicles leave golgi and may fuse with plasma membrane to
secrete contents
Antworten
-
exocytosis
-
eutytropic
-
sterotropic
-
cytokensis
Frage 40
Frage
lysomes are sacs of ...... enzymes which can digest macromolecules (proteins, fats,
polysaccharides, nucleic acids
Antworten
-
sulpuric
-
hydrolytic
-
nitrite
Frage 41
Frage
what is the name given when a cell engulfs another
Antworten
-
autophagy
-
phagocytosis
-
cytokenisis
Frage 42
Frage
autophagy is the process where lysomes
Antworten
-
Use enzymes to recycle the cell’s own organelles and macromolecules
-
fuse with the food vacuole and digests the molecules
-
Manufactures certain macromolecules
Frage 43
Frage
The vacuole contains, oxygen, carbon and chlorophyll
Antworten
- True
- False
Frage 44
Frage
both eukaryotes and prokaryotes have mitochondria
Antworten
- True
- False
Frage 45
Frage
Mitochondria is where...
Antworten
-
starch is converted into glucose
-
celluar respiration through the generation of ATP
-
nutrients passes through the nuclear envelope
Frage 46
Frage
What is the name for the double membrane: a smooth outer membrane and an inner membrane folded
Antworten
-
Cristae
-
peroxisome
-
medula
Frage 47
Frage
mitochondria have their own ribosomes and DNA
Antworten
- True
- False
Frage 48
Frage
Chlorophyll contain chloroplast
Antworten
- True
- False
Frage 49
Frage
Most cells synthesize and secrete materials that are external to the plasma membrane
Antworten
- True
- False
Frage 50
Frage
The cell walls of Fungi are made of
Antworten
-
Chitin
-
cellulose
-
starch
Frage 51
Frage
which of the following are is NOT in the extra cellular matrix of animal cells
Antworten
-
collegen
-
actin
-
proteoglycans
-
fibronectin
Frage 52
Frage
he extracellular matrix bind to the receptor proteins in the plasma membrane called integrins
Antworten
- True
- False
Frage 53
Frage
Which 2 of the following are NOT functions of the ECM
Antworten
-
Support
-
Flexibility
-
Adhesion
-
Movement
-
fixed postioning
-
regulation
Frage 54
Frage
Which of the following is a plant cell junction
Antworten
-
Gap junctions
-
Plasmodesmata:
-
•Desmosomes
-
Tight junctions
Frage 55
Frage
prokaryotes have organelles
Antworten
- True
- False
Frage 56
Frage
which of the following are found inside a microbial cells
Antworten
-
Cytoplams
-
Centrsomes
-
Flagella
-
Pili
-
Mitochondria
-
Capsule/slime layer
-
Cytoplasmic membrane and Cell wall
Frage 57
Frage
Magnetosomes are magnetic enclusions in cells allow
Antworten
-
microogramism move around magnetic lines
-
help the cell wall stay in place
-
remove unwanted information from the cell
Frage 58
Frage
Gas vesicles sink in prokaryotic cells
Antworten
- True
- False
Frage 59
Frage
Gas vesicle are bouyant as it allows the microograsims to move up and down o the cytoplasm allowing for optimum light absorption. As some microorganisms photosynthesis
Antworten
- True
- False
Frage 60
Frage
Prokaryotes produce spores for reporduction
Antworten
- True
- False
Frage 61
Frage
Which of the following isnt a factor for the dispersal of spore in hardy environment soil
Antworten
-
poluten
-
rainfall increases or decreases
-
high acidity
-
temperature drop
-
nurtrient level falls
Frage 62
Frage
The composition of peptidoglycan in bacteria is..
Antworten
-
G+ve cells have ~ 70 G-ve cells have ~ 30
-
G+ve cells have ~ 50 G-ve cells have ~50
-
G+ve cells have ~90 G-ve cells have ~ 10
Frage 63
Frage
antibiotic drugs target the cell walls of bacteria, which one is easiest to destoy
Antworten
-
Gram +
-
Gram -
Frage 64
Frage
Capsule/slime layers.....
Antworten
-
to stick cells together and as a food reserve
-
to protect the cell from desiccation, and from chemicals
-
increase the number of cells being produced
-
stop the cells sticking together and dry out the cell
Frage 65
Frage
the movement of flagella is based on
Antworten
-
proton motor force
-
ATP release
-
metabolism of glucose
Frage 66
Frage
to benefit cellular exchange bacterial will have
Antworten
-
pili
-
fimbriae
Frage 67
Frage
what do Archaea and eukarya have in common but not bacteria
Antworten
-
flagella
-
histomes
-
gas vesicle
-
endospores
-
sensitivity antibiotics
Frage 68
Frage
Acheae are the highest tolerating domain
Antworten
- True
- False
Frage 69
Frage
Endosymbiont theory is the idea that Mitochondria and chloroplasts took up residence in Eukarya eons ago
- First a non-photosynthetic prokaryote formed an endosymbiont relationship with a host - Subsequently, a photosynthetic prokaryote was engulfed Result = a single organism
Antworten
- True
- False
Frage 70
Frage
what would you NOT consider to define life?
Antworten
-
order/organisation
-
reproduction
-
response to environment
-
energy utilisation and production (metabolism)
-
homeostasis
-
evolution
-
respiration
-
being complety reliant on from others
Frage 71
Frage
what is a virus
Antworten
-
piece of DNA or RNA covered in a protein coat
-
a nucleus with a cell wall and mitochondria
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