Cloning a gene involves all of the following except
A. introducing ligated DNA into E. coli cells.
B. insertion of the gene into an appropriate vector.
C. expression of the vector and the gene in a cell-free environment.
D. isolating the fragment of DNA containing the desired gene.
Answer: C
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Banner-tailed kangaroo rats, Dipodomys spectabilis, are rodents endemic to (found only in) the deserts of the southwestern United States. Which of the following is the best description of their niche?
A. seed-eating rodents that compete with other seed-eating organisms for food B. found in parts of Arizona, New Mexico, Texas, and Mexico C. found primarily in Sonoran and Chihuahuan deserts D. found only in arid habitats E. found primarily in areas with relatively heavy soils
during chemical digestion, protein molecules called _____ hydrolyze food particles
What will be an ideal response?
In the reaction: C4H6O4 + FAD ? C4H4O4 + FADH2, what type of reaction took place to remove the protons from C4H6O4?
A. decarboxylation B. reduction C. oxidation D. dehydrogenation
Lipids are characterized primarily on the basis of their insolubility in _________
Fill in the blank(s) with correct word