Vectors such as pUC18 and others of the pUC series contain a large number of restriction enzyme sites clustered in one region. Which term describes this advantageous arrangement of restriction sites?
A) multiple cloning site
B) ?-galactosidase
C) complementation
D) palindrome
E) consensus sequence
A
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This animal has a pseudocoelom, is
unsegmented, a cuticle, and no circulatory system. This animal is ___.
a. a roundworm b. an earthworm c. a flatworm d. a leech e. more than one of these
What information allows you to predict the pattern of DNA bands expected in a Southern blot of an individual with the wild-type allele?
What will be an ideal response?
Which layer of cells controls the movement of nutrient minerals entering the xylem in the root's
interior? a. endodermis b. Casparian strip c. epidermis d. cortex e. periderm
The Miller-Urey experiment included
A. the bubble model of containment of polar molecules. B. finding extraterrestrial organisms. C. reconstructing the oxygen free atmosphere of early Earth. D. None of the choices are correct.