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all cells observed to date, DNA serves as the stable, information-rivh molecule that stores genetic information. In contrast, in almost all cases, non-catalytic RNS serves as either a labile intermediate molecule involve in the production of proteins or as a labile regulatory molecule. A) based on the material, hypothesize why the molecule structures of DNA and RNA are, or are not, consistent with these two roles. B) RNA can also serve a catalytic role(ribosomes, RNA splicing, etc). What part of the RNA molecule would you predict makes it more likely than DNA to participate in enzymatic reactions? C) Explain how all these ideas may support as "RNA World Hypothesis" where RNA evolved first, followed by DNA and protein

all cells observed to date, DNA serves as the stable, information-rivh molecule that stores genetic information. In contrast, in almost all cases, non-catalytic RNS serves as either a labile intermediate molecule involve in the production of proteins or as a labile regulatory molecule. A) based on the material, hypothesize why the molecule structures of DNA and RNA are, or are not, consistent with these two roles. B) RNA can also serve a catalytic role(ribosomes, RNA splicing, etc). What part of the RNA molecule would you predict makes it more likely than DNA to participate in enzymatic reactions? C) Explain how all these ideas may support as "RNA World Hypothesis" where RNA evolved first, followed by DNA and protein

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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in all cells observed to date, DNA serves as the stable, information-rivh molecule that stores genetic information. In contrast, in almost all cases, non-catalytic RNS serves as either a labile intermediate molecule involve in the production of proteins or as a labile regulatory molecule.

A) based on the material, hypothesize why the molecule structures of DNA and RNA are, or are not, consistent with these two roles.

B) RNA can also serve a catalytic role(ribosomes, RNA splicing, etc). What part of the RNA molecule would you predict makes it more likely than DNA to participate in enzymatic reactions?

C) Explain how all these ideas may support as "RNA World Hypothesis" where RNA evolved first, followed by DNA and protein

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