Pseudogenes are _____
A) composed of RNA, rather than DNA
B) the same things as introns
C) unrelated genes that code for the same gene product
D) nonfunctional vestigial genes
D
You might also like to view...
How does a swim bladder help the ray-finned fishes maintain buoyancy?
A) It removes water from the digestive tract. B) It removes oxygen from the water and stores it. C) Gas is added to the bladder as the fish's depth increases. D) Gas is removed from the bladder as the fish's depth increases. E) It adds and removes salt from the water stored in the bladder, which changes its density and thus its buoyancy.
A lysosome containing undigested material is called
A. a residual body. B. a phagosome. C. a coated vesicle. D. an endosome.
In the diagram of a root tip shown above, the item labeled "5" is the
a. quiescent center. b. zone of cell division. c. zone of elongation. d. root cap. e. zone of maturation.
Which of the following statements is true?
a. There is no danger involved in recombinant DNA research in humans. b. There is no danger involved in recombinant DNA research in bacteria. c. There is no danger in releasing recombinant organisms into the environment. d. Stringent safety rules make the use of recombinant DNA research possible. e. None of these statements is true