The positions of genes on a genetic map are marked according to
A) degrees.
B) nanometers.
C) radians.
D) minutes.
Answer: D
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Giardia cysts are found in MOST surface water sources in the United States
Indicate whether the statement is true or false.
Which of the following is true of eudicots but not monocots?
A. Eudicots have flower parts usually in multiples of 4 or 5. B. Eudicots have true seed leaves but monocots do not. C. Eudicots have vascular bundles scattered in their stems. D. Eudicots have venation that is parallel to the leaf axis. E. Eudicots have stomatal pores but monocots do not.
A flower forms from
a. an ovary tissue that migrates from the root. b. stem cells that form tumor like growths. c. impregnated pollen grains. d. a modified branch called a receptacle. e. bark tissue.
A redox reaction involves the transfer of
A) oxygen. B) water. C) an electron. D) a proton