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Medical Microbiology (Gene Transfer) Quiz on The Basics, created by gina_evans0312 on 08/02/2014.

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gina_evans0312
Created by gina_evans0312 almost 11 years ago
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The Basics

Question 1 of 6

1

Bacteria can lose and acquire genes to/from the environment using mobile elements that can be shared between species

Select one of the following:

  • True
  • False

Explanation

Question 2 of 6

1

What is a Pan-Genome?

Select one of the following:

  • The sum of all core and accessory genes of a species

  • The sum of all core and accessory genes of an individual

  • The sum of all core and accessory genes of a strain

Explanation

Question 3 of 6

1

What is the main pathological effect of Horizontal Gene Transfer?

Select one of the following:

  • Can make non-pathogen strains pathogenic

  • Excess DNA damages local cells

  • Release of DNA diverts bacterial energy to virulence

Explanation

Question 4 of 6

1

What is described here- Bacteriophages that have been incorporated into the genome

Select one of the following:

  • Prophages

  • Metaphages

  • Intephages

Explanation

Question 5 of 6

1

Integrated DNA can be stabilised by homologous recombination of the new DNA

Select one of the following:

  • True
  • False

Explanation

Question 6 of 6

1

Which other methods allow the new DNA strands to integrate?

Select one or more of the following:

  • Persistence of the episome (i,e, freely replicating plasmids)

  • Integrations by the bacteriophage

  • Illegitimate incorporation (i.e. Ds break repair)

Explanation

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