A fish that has been salt-cured subsequently develops a reddish color. You suspect that the fish has been contaminated by the extreme halophile, Halobacterium. Which of these features of cells removed from the surface of the fish, if confirmed, would support your suspicion?
1. the presence of the same photosynthetic pigments found in cyanobacteria
2. cell walls that lack peptidoglycan
3. cells that are isotonic to conditions on the surface of the fish
4. cells containing bacteriorhodopsin
5. the presence of very large numbers of ion pumps in its plasma membrane
A) 2 and 5
B) 3 and 4
C) 1, 4, and 5
D) 3, 4, and 5
E) 2, 3, 4, and 5
The Murray Cod is Australia's largest wholly freshwater fish.
An example of color blindness test. A person with red-green color blindness would not be able to dis
Color enhanced X ray of large malignant tumor in the right lung.
Disitive Time For Fish
Digital illustration of a fish that was believed to have become extinct during the Cretaceous Period
Stomias deep-sea bioluminescent fish