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Describe the structure of a molecule of RNA. Describe the three kinds of RNA and construct a pictorial representation. Summarize the physiology of DNA in terms of replication and protein synthesis. List the sequence of events in DNA replication and explain why it is referred to as semiconservative. Evaluate the process of transcription.
The structure of RNA differs fundamentally from that of DNA in three ways: • It forms a single strand sugar-phosphate chain • The sugar in its nucleotides is ribose
16 paź 2019 · Nucleic acids, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), carry genetic information which is read in cells to make the RNA and proteins by which living things function.
STRUCTURES OF NUCLEIC ACIDS DNA and RNA are both nucleic acids, which are the polymeric acids isolated from the nucleus of cells. DNA and RNA can be represented as simple strings of letters, where each letter corresponds to a particular nucleotide, the monomeric component of the nucleic acid polymers. Although this conveys almost all the ...
Nucleotides are the building blocks of nucleic acids: they are the monomers which, repeated many times, form the polymers DNA and RNA. Nucleotides are composed of a five-carbon sugar covalently attached to a phosphate group and a base containing nitrogen atoms. Figure 1 shows the structure of the nucleotides making up nucleic acids.
biology of the nucleic acids were set on firm foundations. Basically, nucleic acids can be subdivided into two types: deoxy-ribonucleic acid (DNA) and ribonucleic acid (RNA). Both DNA and RNA have been shown to consist of three groups of molecules: pentose (5-carbon-atom) sugars; organic bases; and inorganic phosphate. Sugars
DNA and RNA The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material found in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is found in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria.
