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
Burkholder and colleagues demonstrated that some strains of Pfiesteria shumwayae are toxic to fish a
Eye Color Is a Sex-Linked Trait in Drosophila (Part 4)
Color-enhanced X-ray of the colon taken during a barium enema.
puffer fish
Brown Eye Color
Segregation of alleles for seed color