Which type of rRNA can be found in both prokaryotes and eukaryotes?
A) 18S B) 5S C) 23S D) 5.8S E) 16S
Answer: B
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A small island has stable populations of plants and animals, including one species of hawk but no other large predators. A ship docks at the island, and the ship's cat escapes. If the cat was pregnant, what do you think the sailors are likely to find if they return ten years later?
A. The island will have similar flora and fauna, with the addition of a cat population. B. The increase in nitrogenous waste from the cats will increase plant productivity. C. The bird and lizard species on the island will have many new adaptations. D. Some species of ground-nesting birds may have gone extinct. E. Species that were formerly preyed upon by hawks will benefit.
The largest organism ever to have existed in the world is (was) a
A. whale. B. dinosaur. C. sequoia tree. D. fungus. E. mammoth.
The genetic information in viruses
A. is found in the nucleus of the virus. B. is always DNA. C. is either DNA or RNA. D. is always RNA. E. can be replicated outside of a cell.
Lepromatous leprosy
A. can cause lepromas. B. is the most disfiguring. C. pathogen grows extensively in cooler body areas such as nose, ears, testes. D. complications include secondary infections, kidney or respiratory failure. E. includes all of these choices.