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The article entitled "Life on Earth" is trying to make the point that RNA likely included before DNA. Forthis article which of the following is false?
A. Chains of RNA nucleotides can form spontaneously on mineral surfaces.
B. The polynucleotide RNA chains can create a duplex and is twisted into a double helix in a manner very similar to DNA
C. Certain RNA nucleotide chains can fold upon themselves and adopt conformations that permit for them to catalyze chemical reactions.
D. Short RNA molecules can self-replicate if given with a catalyst.
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Carbohydrates These form about 1%part of protoplasm, they are comparatively simpler compounds of carbon, hydrogen and oxygen in the ratio 1:2:1 The ratio hydrogen to oxygen is
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Main successful vaccines are live attenuated and heat killed vaccines.
photoorganoheterotrophs why don''t use light for photosynthesis?
How last chamber of heart in cockroach receives blood without having ostia?
Define about the Excretion of Calcium? Calcium is excreted approximately in equal amounts in urine and through intestinal secretions. Bile and other secretions into the intest
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