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