445717
Descripción
Test por gina_evans0312, actualizado hace más de 1 año
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Creado por gina_evans0312
hace casi 11 años
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Pregunta 1
Pregunta
Flagella are involved in chemotaxis
Respuesta
- True
- False
Pregunta 2
Pregunta
Flagella are made of actin
Respuesta
- True
- False
Pregunta 3
Pregunta
Cilia and flagella are...
Respuesta
-
The same thing
-
Similar but flagella are shorter and only wave back and forth
-
Similar but cilia are shorter and only wave back and forth
Pregunta 4
Pregunta
What is the name of the central microtubule in the flagella?
Respuesta
-
Axoneme
-
Metaneme
-
Medianeme
Pregunta 5
Pregunta
Which motor protein holds it all together?
Respuesta
-
Dyenin
-
Myosin
-
Kinesin
Pregunta 6
Pregunta
Myosin attaches to two microtubules and bends them to create motion
Respuesta
- True
- False
Pregunta 7
Pregunta
The sliding of the microtubules over each other is powered by
Respuesta
-
ATP hydrolysis
-
GTP hydrolysis
-
UTP hydrolysis
Pregunta 8
Respuesta
-
Peritrichous bacteria
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Petrichous bacteria
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Pericentric Bacteria
Pregunta 9
Respuesta
-
Basal body
-
Hook
-
Filament
-
Flagella body
-
Coil
-
Root
Pregunta 10
Pregunta
The flagella is made up of the 'flagellum' protein
Respuesta
- True
- False
Pregunta 11
Pregunta
How many protofilaments make a filament?
Respuesta
-
10
-
11
-
12
Pregunta 12
Pregunta
The filament can rotate 180 degrees
Respuesta
- True
- False
Pregunta 13
Pregunta
The following image shows Conformational Switching
Respuesta
- True
- False
Pregunta 14
Pregunta
Quick switching between the right and left configurations allows the bacteria to what?
Respuesta
-
Change directions
-
Speed up/slow down
-
Attack/release a surface
Pregunta 15
Pregunta
Which of the following are the two different repeat distances protofilaments can take
Respuesta
-
52.7 A
-
51.9 A
-
53.6 A
-
50.1 A
Pregunta 16
Pregunta
Switching between protofilament differences causes the bacteria to speed up/slow down
Respuesta
- True
- False
Pregunta 17
Pregunta
Which of the following is used to provide an overall map of filament structure?
Respuesta
-
Cryo-Electron Microscapy
-
X-Ray Crystallography
-
X-Ray fibre diffraction
Pregunta 18
Pregunta
X-Ray crystallography was used to sow the arrangement of the molecules in a fibre
Respuesta
- True
- False
Pregunta 19
Pregunta
X-Ray Ribre Diffraction was used to identify individual subunits
Respuesta
- True
- False
Pregunta 20
Pregunta
How was a fluorophore used to measure speed and rotation?
Respuesta
-
The filament was removed and fluorescent bead attached to the hook, which could still move freely
-
The hook was removed and fluorescent bead attached to the filament, which could still move freely
-
Fluorescent optics measures the changes in light intensity
Pregunta 21
Pregunta
What can be measured by the flurophore method?
Respuesta
-
Speed of rotation
-
Rotation width
-
Hook size
-
Filament structure
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