An early step in shotgun sequencing is to _____
A) break genomic DNA at random sites
B) map the position of cloned DNA fragments
C) randomly select DNA primers and hybridize these to random positions of chromosomes in preparation for sequencing
Answer: A
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Of the following lipids, which would you expect to find associated with chloroplast membranes?
A) phosphatidylserine B) glycosphingolipid C) monogalactosyldiacylglycerol D) galactocerebroside E) hopanoids
What do you know about covalent bonds? How does it relate to the question?
What will be an ideal response?
met refers to a gene that governs a cells ability to synthesize methionine from inorganic precursors
The designation met- indicates:
a. that the allele is normal. b. that the allele is the mutant allele. c. that the bacterium is biologically active. d. that the bacterium is biologically inactive. e. that the bacterium can make its own methionine.
Fragments of DNA have been extracted from the remnants of extinct woolly mammoths, amplified, and sequenced. These can now be used to _____
A) introduce certain mammoth traits into relatives, such as elephants B) clone live woolly mammoths C) appreciate the reasons why mammoths went extinct D) better understand the evolutionary relationships among members of related taxa