Questão 1
Questão
Flagella are involved in chemotaxis
Questão 2
Questão
Flagella are made of actin
Questão 3
Questão
Cilia and flagella are...
Questão 4
Questão
What is the name of the central microtubule in the flagella?
Responda
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Axoneme
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Metaneme
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Medianeme
Questão 5
Questão
Which motor protein holds it all together?
Questão 6
Questão
Myosin attaches to two microtubules and bends them to create motion
Questão 7
Questão
The sliding of the microtubules over each other is powered by
Responda
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ATP hydrolysis
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GTP hydrolysis
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UTP hydrolysis
Questão 8
Questão
What is this an image of?
Responda
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Peritrichous bacteria
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Petrichous bacteria
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Pericentric Bacteria
Questão 9
Questão
Name the parts labelled by the arrows
Responda
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Basal body
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Hook
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Filament
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Flagella body
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Coil
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Root
Questão 10
Questão
The flagella is made up of the 'flagellum' protein
Questão 11
Questão
How many protofilaments make a filament?
Questão 12
Questão
The filament can rotate 180 degrees
Questão 13
Questão
The following image shows Conformational Switching
Questão 14
Questão
Quick switching between the right and left configurations allows the bacteria to what?
Responda
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Change directions
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Speed up/slow down
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Attack/release a surface
Questão 15
Questão
Which of the following are the two different repeat distances protofilaments can take
Responda
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52.7 A
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51.9 A
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53.6 A
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50.1 A
Questão 16
Questão
Switching between protofilament differences causes the bacteria to speed up/slow down
Questão 17
Questão
Which of the following is used to provide an overall map of filament structure?
Responda
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Cryo-Electron Microscapy
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X-Ray Crystallography
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X-Ray fibre diffraction
Questão 18
Questão
X-Ray crystallography was used to sow the arrangement of the molecules in a fibre
Questão 19
Questão
X-Ray Ribre Diffraction was used to identify individual subunits
Questão 20
Questão
How was a fluorophore used to measure speed and rotation?
Responda
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The filament was removed and fluorescent bead attached to the hook, which could still move freely
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The hook was removed and fluorescent bead attached to the filament, which could still move freely
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Fluorescent optics measures the changes in light intensity
Questão 21
Questão
What can be measured by the flurophore method?
Responda
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Speed of rotation
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Rotation width
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Hook size
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Filament structure