Flagellum

Descrição

Structural Basis for Biological Function (Molecular Motors) Quiz sobre Flagellum, criado por gina_evans0312 em 17-12-2013.
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Quiz por gina_evans0312, atualizado more than 1 year ago
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Criado por gina_evans0312 aproximadamente 11 anos atrás
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Resumo de Recurso

Questão 1

Questão
Flagella are involved in chemotaxis
Responda
  • True
  • False

Questão 2

Questão
Flagella are made of actin
Responda
  • True
  • False

Questão 3

Questão
Cilia and flagella are...
Responda
  • 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

Questão 4

Questão
What is the name of the central microtubule in the flagella?
Responda
  • Axoneme
  • Metaneme
  • Medianeme

Questão 5

Questão
Which motor protein holds it all together?
Responda
  • Dyenin
  • Myosin
  • Kinesin

Questão 6

Questão
Myosin attaches to two microtubules and bends them to create motion
Responda
  • True
  • False

Questão 7

Questão
The sliding of the microtubules over each other is powered by
Responda
  • ATP hydrolysis
  • GTP hydrolysis
  • UTP hydrolysis

Questão 8

Questão
What is this an image of?
Responda
  • Peritrichous bacteria
  • Petrichous bacteria
  • Pericentric Bacteria

Questão 9

Questão
Name the parts labelled by the arrows
Responda
  • Basal body
  • Hook
  • Filament
  • Flagella body
  • Coil
  • Root

Questão 10

Questão
The flagella is made up of the 'flagellum' protein
Responda
  • True
  • False

Questão 11

Questão
How many protofilaments make a filament?
Responda
  • 10
  • 11
  • 12

Questão 12

Questão
The filament can rotate 180 degrees
Responda
  • True
  • False

Questão 13

Questão
The following image shows Conformational Switching
Responda
  • True
  • False

Questão 14

Questão
Quick switching between the right and left configurations allows the bacteria to what?
Responda
  • Change directions
  • Speed up/slow down
  • Attack/release a surface

Questão 15

Questão
Which of the following are the two different repeat distances protofilaments can take
Responda
  • 52.7 A
  • 51.9 A
  • 53.6 A
  • 50.1 A

Questão 16

Questão
Switching between protofilament differences causes the bacteria to speed up/slow down
Responda
  • True
  • False

Questão 17

Questão
Which of the following is used to provide an overall map of filament structure?
Responda
  • Cryo-Electron Microscapy
  • X-Ray Crystallography
  • X-Ray fibre diffraction

Questão 18

Questão
X-Ray crystallography was used to sow the arrangement of the molecules in a fibre
Responda
  • True
  • False

Questão 19

Questão
X-Ray Ribre Diffraction was used to identify individual subunits
Responda
  • True
  • False

Questão 20

Questão
How was a fluorophore used to measure speed and rotation?
Responda
  • 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

Questão 21

Questão
What can be measured by the flurophore method?
Responda
  • Speed of rotation
  • Rotation width
  • Hook size
  • Filament structure

Semelhante

Molecular Motors- Helicases
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Motor Proteins- Myosin
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Motor Proteins- Cytoplasmic Dyenin
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Motor Proteins- Kinesin
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Movement of Dyenin
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Movement of Kinesin
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Myosin V Movement
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Protein Folding- The Basics
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Constituative Chaperones
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Heat Shock Proteins
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Protein Structure Pt. 1
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