If a small population of mice colonizes a new area away from the range of the original species, the colony that is
geographically isolated may eventually evolve into a new species. These events can be used to describe:a.
hybridization.
b. allopolyploidy.
c. adaptive radiation.
d. allopatric speciation.
e. sympatric speciation
d
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A species of bacterium associated with the oil glands of the skin belongs to the genus
A. Pityrosporum. B. Pityrosporum. C. Staphylococcus. D. Propionibacterium.
Consider the metabolism of a chlorophyll-based phototroph. In oxidative phosphorylation during cell respiration, the source of energy is ________ whereas in photophosphorylation the source of energy is ________.
A. ATP; light B. highly reduced organic compounds; light C. NADH; NADPH D. electron transport chain; chlorophyll
The presence of cytoplasmic organelles is characteristic of
a. Archaea only. b. Bacteria only. c. both Archaea and Bacteria. d. neither Archaea nor Bacteria. e. Achaea, Bacteria and Eukarya.
Which of the following pairings of recombinant DNA techniques and applications does NOT match?
a. genetic modification of yeast: production of purified insulin b. gene therapy: replacing a defective gene c. PCR: making many copies of a segment of DNA d. gene silencing: production of subunit vaccines