Listeria monocytogenes is a species of rod-shaped bacteria. How would L. monocytogenes be affected if its actin-like cytoskeletal proteins were no longer functional?
A. It will be less efficient at exchanging materials with its environment.
B. It will be able to store more nutrients.
C. It will be able to secrete mucilage and aggregate as part of a biofilm.
D. It will no longer be able to undergo binary fission for reproduction.
E. It will become a spirochaete.
A. It will be less efficient at exchanging materials with its environment.
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For any two genes located on the same autosome, the frequency of recombination has an upper limit of 50%
A. true B. false
The leaf of a plant is
A. a molecule. B. an organism. C. an organ. D. an organelle. E. a cell.
Which activity is an example of biotechnology?
A. Bacteria in the soil secrete an antibiotic to kill competitors. B. Public health officials monitor diseases in a community. C. Humans use yeast to make beer and wine. D. A microbiologist uses a microscope to study bacteria. E. Mycobacterium tuberculosis causes tuberculosis in the lungs.
Four of the following statements about the Poouli are true. Which one is false?
a. It is a honeycreeper.
Copyright Cengage Learning. Powered by Cognero. Page 10 b. It is probably extinct. c. It is an outlying member of its group. d. It is morphologically distinct from others in its group. e. It is found in Fiji.