Microbiology: Principles and Explorations
10th Edition
ISBN: 9781119390114
Author: Black
Publisher: WILEY
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Chapter 8, Problem 2.2SC
What do 5′ and 3′ refer to? How do they determine the direction of synthesis of new DNA
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Chapter 8 Solutions
Microbiology: Principles and Explorations
Ch. 8 - Compare and contrast chromosomes in prokaryotes...Ch. 8 - DNA is not always the gemetic material. What are...Ch. 8 - How could mutations give rise to new alleles of a...Ch. 8 - How does trandlation differ from transcription?Ch. 8 - Distinguish between leading and lagging strands.Ch. 8 - What do 5 and 3 refer to? How do they determine...Ch. 8 - Contrast the three kinds of RNA. Does DNA make all...Ch. 8 - What feeds back in feedback inhibition? What does...Ch. 8 - What is the inducer for the lac operon?Ch. 8 - Compare enzyme induction and enzyme repression.
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- What sequence of bases on one strand of DNA (reading in the 3′ to 5′ direction) is complementary to the sequence 5′ T-A-T-G-C-A-G 3′ on the other strand?arrow_forwardWhat is the relationship of the new DNA chain of a daughter DNA double helix and the old DNA chain in the other daughter DNA double helix?arrow_forwardDo any strands of nucleic acid exist in nature in which part of the strand is DNA and another part of that same strand is RNA? If so, describe when such strands of nucleic acid are synthesized. Is the RNA component at the 5′ end or at the 3′ end?arrow_forward
- What percentage of the DNA in the genome actually corresponds to genes? How much is actually protein-coding exons? What makes up the rest?arrow_forwardWhy do higher salt concentrations stabilize the DNA double helix? Or What aspect of the structure of double-stranded DNA destabilizes the helix in the absence of salt?arrow_forwardin the DNA of certain bacterial cells, 13% of the nucleotides are adenine. What are the percentages of the other nucleotides?arrow_forward
- Why is it necessary for naturally occurring DNA molecules to be negatively supercoiled?arrow_forwardWhat are nucleosomes composed of, and how do they participate in the coiling of DNA?arrow_forwardWhat are the three components of a nucleotide? With regard to the 5′ and 3′ positions on a sugar molecule, how are nucleotides linked together to form a strand of DNA?arrow_forward
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