Small, plate-like structures found on fish
A) operculate
B) scales
C) mucosal caps
D) plaques
Ans: B) scales
You might also like to view...
In an organism's binomial scientific name, the first of the two names is the
A) order. B) genus. C) species. D) family.
Which of these is a type of prokaryotic cell?
A. a mushroom cell B. a plant cell C. a worm cell D. a bacterial cell
Chromosomal aberrations:
A. are caused by errors during meiosis. B. are typically only seen in the elderly. C. are usually fixed by DNA polymerase. D. can be caused by methylation. E. are not described by any of the answer
Why is the continual use of the antibacterial triclosan in soaps a potential health risk?
A. Bacteria could evolve a resistance to commonly used antibiotics. B. Triclosan is lethal to mammals at low concentrations. C. Antibacterial soaps are often contaminated with viruses. D. The use of soap is ineffective at stopping the spread of disease.