Technique used to amplify a desired piece of DNA.
A. gel electrophoresis
B. RFLP
C. PCR
D. plasmids
E. Northern Blot
C. PCR
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Sedimentation in bogs and marshes develop ________ soils
A) inorganic B) mineral C) organic D) loamy
Histone deacetylase inhibitors are a class of drugs used as mood stabilizers and anti-epileptics that are also being researched for their efficacy as anti-cancer agents. Histone deacetylase inhibitors block the action of histone deacetylases, which remove acetyl groups from lysine residues in histone tails. How will blocking histone deacetylases affect gene expression in the cell?
A. Chromatin will become more tightly compact, and gene expression will be reduced. B. Chromatin will become more tightly compact, and gene expression will be increased. C. Chromatin will become more open, and gene expression will be reduced. D. Chromatin will become more open, and gene expression will be increased. E. Chromatin will become more methylated, and gene expression will be decreased.
One of your closest fish relatives is the coelacanth. Where is its equivalent to your forearm?
A. The claspers B. The pectoral fin lobe C. The operculum D. The gill arch extensions E. The pelvic fin lobe Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the coelacanths? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The first organic molecule to be synthesized from inorganic substances was _____.
A. urea B. acetic acid C. ammonium cyanate D. insulin E. DNA