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12 Δεκ 2002 · Indeed, there is no one generic structure for DNA and RNA. As we shall see in this chapter, there are in fact variations on common themes of structure that arise from the unique physical ,...
17 Φεβ 2017 · DNA: DNA is double stranded and it exhibits a double helix structure. RNA: RNA is usually single strand, sometimes it forms secondary and tertiary structures.
DNA structure is often divided into four different levels primary, secondary, tertiary quaternary. 1. Deoxyribose pentose sugar) 2. Base different ones) 3. Phosphate. A chemical bond that involves sharing a pair of electrons between atoms in a molecule.
24 Ιουν 2022 · This chapter explores the foundational principles of the conformations of nucleosides, nucleotides and oligonucleotides and the structures of the various double-helical, three-stranded and four-stranded DNA molecules as well as the expanding universe of RNA tertiary structural motifs.
RNA is very similar to DNA, but differs in a few important structural details: in the cell, RNA is usually single-stranded, while DNA is usually double-stranded; RNA nucleotides contain ribose while DNA contains deoxyribose (a type of ribose that lacks one oxygen atom); and RNA has the base uracil rather than thymine that is present in DNA.
compare and contrast RNA with DNA. compare and contrast transcription with replication. explain the diferences between the transcription machinery of bacteria and eukaryotes. describe how transcripts are processed into mRNAs. diagram the transesterification reactions that mediate splicing.
Understand how DNA and RNA control transcription and translation. State the nucleotides commonly found in DNA and RNA. Apply the base-pairing rules to predict the nucleotide structure of RNA.
