Analysis of the Genome and Transcriptome of the Highly Radiation

question 18

Multiple Choice

Analysis of the genome and transcriptome of the highly radiation resistant bacterium Deinococcus radiodurans has revealed all of the following except

• A)its genome consists of two circular chromosomes and two plasmids.
• B)it has more DNA repair genes than
• C)genes whose products are involved in DNA replication and recombination are dramatically up-regulated after irradiation.
• D)genes whose products are involved in cell wall metabolism and cellular transport are dramatically up-regulated after irradiation.
• E)coli.

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Definitions:

Biodiversity

The variety and variability of life on Earth, including diversity within species, between species, and of ecosystems.

Extinct Species

Species that no longer exist, having no living members left due to factors like habitat destruction, predation, or climate change.

Endangered Species

Species at risk of extinction due to factors like habitat destruction, pollution, or climate change.

Threatened Species

Threatened species are categories of organisms that are at risk of becoming endangered or extinct in the near future.