Place the following steps for cloning DNA in the correct order:1 - use vector to deliver new rDNA to bacterial or other cells2 - use restriction enzymes to cut a plasmid and add the desired gene3 - isolate and cut out a desired gene using restriction enzymes4 - use DNA ligase to seal the new gene5 - allow bacterial cells to replicate and produce desired product
A. 3, 2, 4, 1, 5
B. 5, 3, 2, 4, 1
C. 1, 2, 3, 4, 5
D. 2, 5, 3, 1, 4
Answer: A
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The hypothesis that closely matches the data provided is:
A. spiders are the top predators on all islands. B. herbivorous insects survive best on islands where spiders and centipedes live. C. herbivorous insects and spider populations are decreased by centipedes. D. herbivorous insects feed on spiders and centipedes.
Which of the following eye disorders is NOT necessarily correlated with age?
a. cataracts b. macular degeneration c. trachoma d. glaucoma e. the need for bifocal lenses
The foramen magnum at the center rear of the skull is an adaptation for bipedalism in hominids
____________________ Indicate whether the statement is true or false.
After mitosis, the chromosome number of a daughter cell is __________ parent cell's.
A) the same as B) one-half C) rearranged compared to D) doubled compared to