OldEx1 - Recycled Test questions for Exam 1 on Feb. 2...

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Recycled Test questions for Exam 1 on Feb. 2 --Chapter 6-- H204. A Megabase (Mb) is equal to ______ 1,000,000 ________bases (or base pairs). H204. Which of these is equal to 1,000,000 bases (or base pairs for double stranded DNA)? a) Centimorgan (cM) b) Kilobase (Kb) c) Gigabase (Gb) d) Megabase (Mb) H206. A nucleoside is the same as a nucleotide missing which group? a) Nitrogenous base b) Phosphate c) Ribose d) Deoxyribose H206. A nucleoside is the same as a nucleotide missing which functional group? ________ phosphate _________ H206. Both DNA and RNA have the nitrogenous bases attached to this carbon of the ribose sugar: a) 1 . b) 2 . c) 3 . d) 4 . H206. The 5' end of DNA ends in what functional group. a) phosphodiester bond b) amino group c) hydroxyl group d) phosphate group H206. In both DNA and RNA, nucleotides in a chain are connected by a) phosphodiester bonds b) peptide bonds c) hydrogen bonds d) disulfide bonds H206. The 5' end of a DNA strand ends in what functional group? a) phosphodiester bond b) amino group c) hydroxyl group d) phosphate group H208. How many pairs of bases are there for every helical turn of DNA? a) 3.4 b) 34 c) 10 d) 39 H208. How many pairs of bases are there for every helical turn of DNA? _____ ten ________
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H209. If 20% of a double stranded DNA sample is A, how much of that sample is T? a) 20% b) 30% c) 40% d) can’t be determined. H211. The Meselson-Stahl experiment demonstrated: a) liberal replication. b) conservative replication. c) semiconservative replication. d) theta replication. H217. Which protein unwinds the double stranded DNA in order to separate the parental strands into single stranded DNA? a) helicase b) single-stranded binding protein c) gyrase d) topoisomerase H217. Which protein unwinds the double stranded DNA in order to separate the parental strands into single stranded DNA? ______ helicase ______ H217. In DNA replication, this molecule is necessary to separate the two strands of DNA. a) Gyrase b) Helicase c) DNA ligase d) Nuclease H217. What are single-stranded DNA binding proteins used for? Stabilize single stranded DNA after Helicase separates double strands until DNA is replicated.
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This note was uploaded on 04/18/2008 for the course BIOL 204 taught by Professor Auger during the Spring '08 term at SD State.

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OldEx1 - Recycled Test questions for Exam 1 on Feb. 2...

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