What is a clone?
A) a protein produced by a recombinant bacterium B) any animal that contains recombinant DNA
C) any cell that contains recombinant DNA D) an exact copy of a DNA, cell, or organism
Answer: D
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What results would you expect if mitochondria are inherited biparentally?
A) Some, but not all, yeast colonies found on the plate without chloramphenicol will also grow on the plate with chloramphenicol. B) All of the yeast colonies on the plate without chloramphenicol will also grow on the plate with chloramphenicol. C) Many yeast colonies will grow on the plate without chloramphenicol and no colonies will grow on the plate with chloramphenicol. D) No colonies will grow on either plate.
Where do fat-soluble hormones act?
A. They bind to receptors in the cytoplasm of target cells after diffusing through the plasma membrane. B. They bind to antigens. C. They bind to receptors on the cell membranes of target cells. D. They bind to receptors within fat tissues.
Neandertals were first discovered near and named for:a
the Neander River in Africa. b. the Neander Valley in India. c. the Neander Mountains in France. d. the Neander Bay in Canada. e. the Neander Valley in Germany.
Which of the following statements about red blood cells is true?
A) The main function of red blood cells is to carry nutrients. B) Red blood cells are shaped like biconcave disks. C) Each red blood cell contains about 1 million molecules of hemoglobin. D) Red blood cells in adult humans have nuclei.