Which of the following is an application of transposon tagging?
A. To test if a transposon is replicative
B. As a tool to clone novel genes
C. To track the movement of transposons between species
D. To inactivate transposons in a genome
B
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Which of the following is the signal that functions to begin transcription and consists of a sequence on the DNA?
A) mRNA B) vector C) exon D) promoter
Ventilation includes
A. inspiration only. B. both inspiration and expiration. C. expiration only. D. the volume of air that can be exhaled. E. the transportation of oxygen to cells in the body.
Approximately how long does it take for the human stomach to empty following a meal?
A. 4 hours B. 1 hour C. 2 hours D. 12 hours E. 24 hours
Which factor is least useful for making predictions about how urbanization and climate change will affect the carbon
cycle?
a. the architecture of the canopy of trees overhead b. leaf positioning c. leaf losses d. timing of natural events e. extent of agricultural practices