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The nucleic acid backbone consists of (10 points)

	nucleosides.
	peptide (amide) bonds.
	phosphate-pentose-phosphate-pentose...
	A, G, C, T, and U.
	cross-linked based.
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written by dr_g • topics: nucleic acids block unblock • DNA block unblock • RNA block unblock • biochemistry block unblock • pharmacy block unblock

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A nucleotide (10 points)

	can have 3 phosphate groups.
	can have 1, 2, or 3 phosphate groups.
	has no phosphate groups.
	can have 2 phosphate groups.
	can have 1 phosphate group.
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written by dr_g • topics: nucleic acids block unblock • DNA block unblock • RNA block unblock • biochemistry block unblock • pharmacy block unblock

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Under basic (alkaline) conditions (10 points)

	RNA makes a better archive for genetic information.
	neither RNA nor DNA rapidly hydrolyze.
	DNA rapidly hydrolyzes.
	Both RNA and DNA rapidly hydrolyze.
	RNA rapidly hydrolyzes.
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written by dr_g • topics: nucleic acids block unblock • DNA block unblock • RNA block unblock • biochemistry block unblock • pharmacy block unblock

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Through-space (nonbonded interactions) in nucleic acids include (30 points)

	phosphodiester linkages, hydrogen bonding, and base stacking.
	only base stacking.
	phosphodiester linkages.
	hydrogen bonding and base stacking.
	only hydrogen bonding.
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written by dr_g • topics: nucleic acids block unblock • DNA block unblock • RNA block unblock • biochemistry block unblock • pharmacy block unblock

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The bases in nucleic acids (20 points)

	are planar or nearly planar.
	cannot form hydrogen bonds.
	are attached at the 2' position.
	are types of carbohydrates.
	are very hydrophilic.
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written by dr_g • topics: nucleic acids block unblock • DNA block unblock • RNA block unblock • biochemistry block unblock • pharmacy block unblock

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_______ in mRNA can catalyze their own excision from the mRNA molecule. (10 points)

	Exons
	Nucleons
	Introns
	Klingons
	Protons
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written by dr_g • topics: nucleic acids block unblock • DNA block unblock • RNA block unblock • biochemistry block unblock • pharmacy block unblock

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Hydrolysis of an anhydride bond in ATP yields (10 points)

	1 kcal/mol.
	3 kJ/mol.
	3 J/mol.
	30 J/mol.
	30 kJ/mol.
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written by dr_g • topics: nucleic acids block unblock • DNA block unblock • RNA block unblock • biochemistry block unblock • pharmacy block unblock

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In the laboratory, DNA strands up to _____ nucleotides can routinely be synthesized. (20 points)

	800
	8
	80
	8000
	3,000,000,000
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written by dr_g • topics: nucleic acids block unblock • DNA block unblock • RNA block unblock • biochemistry block unblock • pharmacy block unblock

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______ is an example of a ribozyme. (10 points)

	The ribosome
	Phosphatidylcholine
	Cyclooxygenase
	Hemoglobin
	HMG CoA reductase
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Sites of DNA replication tend to be rich in pairs since each such pair has hydrogen bonds. (20 points)

	G:C ; 3
	A:T ; 3
	G:G ; 3
	G:C ; 2
	A:T ; 2
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written by dr_g • topics: nucleic acids block unblock • DNA block unblock • RNA block unblock • biochemistry block unblock • pharmacy block unblock

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