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Whether a nucleic acid is defined as RNA or DNA is determined by: (10 points)

	the charge on the phosphate group.
	having U vs. T as bases.
	all of these answers.
	the number of phosphate groups.
	having or lacking a 2' hydroxyl.
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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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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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B-form DNA (30 points)

	has parallel strands.
	is a double helix.
	is a double helix and forms a left-handed twist.
	is a double helix and has parallel strands.
	forms a left-handed twist.
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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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Synthesis of messenger RNA on a template of ssDNA in the nucleus is called (10 points)

	myristoylation.
	translation.
	translocation.
	transcription.
	ubiquitination.
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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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In nucleic acids, 260 nm light (ultraviolet or UV) is absorbed by (10 points)

	aromatic bases.
	the backbone.
	phosphodiester linkages.
	ribose.
	phosphate.
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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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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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