Scenario from pre class: Initial analysis of the Mars sample reveals the presence of eukaryotic, unicellular life in a sample, Additional analysis indicates the presence of double-stranded nucleic acids similar, although not identical, to DNA found in eukaryotic organisms on Earth. The alien nucleic acids consist of two strands of nucleotides bonded together, with the sugar-phosphates on the outside of the structure. Six nitrogen bases located on the interior of the double-stranded nucleic acid are identified as: isoAdenine (IA), Uracil (U), isoCytosine (iC), isoThymine (iT), Adenine (A) and betaGuanine (bG). Data also suggests a complementary base-pairing between nitrogen bases of the two strands with the following base pairing rules: iA complementary with U iT complementary with A o bG complementary with iC
Scenario from pre class: Initial analysis of the Mars sample reveals the presence of eukaryotic, unicellular life in a sample, Additional analysis indicates the presence of double-stranded nucleic acids similar, although not identical, to DNA found in eukaryotic organisms on Earth. The alien nucleic acids consist of two strands of nucleotides bonded together, with the sugar-phosphates on the outside of the structure. Six nitrogen bases located on the interior of the double-stranded nucleic acid are identified as: isoAdenine (IA), Uracil (U), isoCytosine (iC), isoThymine (iT), Adenine (A) and betaGuanine (bG). Data also suggests a complementary base-pairing between nitrogen bases of the two strands with the following base pairing rules: iA complementary with U iT complementary with A o bG complementary with iC
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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Transcribed Image Text:Scenario from pre class: Initial analysis of the Mars sample reveals the presence of
eukaryotic, unicellular life in a sample, Additional analysis indicates the presence of
double-stranded nucleic acids similar, although not identical, to DNA found in eukaryotic
organisms on Earth. The alien nucleic acids consist of two strands of nucleotides bonded
together, with the sugar-phosphates on the outside of the structure. Six nitrogen bases
located on the interior of the double-stranded nucleic acid are identified as: isoAdenine
(IA), Uracil (U), isoCytosine (iC), isoThymine (iT), Adenine (A) and betaGuanine (bG).
Data also suggests a complementary base-pairing between nitrogen bases of the two
strands with the following base pairing rules:
iA complementary with U
iT complementary with A
o bG complementary with iC
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