A "high-energy" bond in an ATP molecule is located between
A) adenine and the first phosphate group. B) ribose and the first phosphate group.
C) two phosphate groups. D) adenine and ribose.
C
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What was the first disease shown to be bacterial in origin?
A. yellow fever B. cholera C. anthrax D. malaria E. tuberculosis
What is the difference between a linkage map and a physical map?
A) Markers are spaced by recombination frequency on a linkage map and by number of base pairs on a physical map. B) The ATCG order and sequence must be determined for a linkage map but not for a physical map. C) A linkage map shows how each gene is linked to every other gene, but a physical map does not. D) Distances must be calculable in units such as nanometers on a physical map but not on a linkage map. E) There is no difference between the two except in the type of pictorial representation.
A stem cell is a cell that
a. can differentiate into specialized cell types. b. has already differentiated. c. can develop into two or three cell types. d. can only develop into skin cells. e. can only develop into bone cells
It is believed that war vessels in World War II carried the brown tree snake to the island of _. This invasive predator caused extinction of many local populations of birds and small reptiles.
A. Ceylon B. Madagascar C. Guam D. Cuba E. Puerto Rico