Nucleic Acids: Structure, Function, and Biological Significance in Living Organisms
Overview
This paper provides an overview of nucleic acids, their structure, and their critical roles in biological processes. It examines DNA and RNA as the major types of nucleic acids, their functions in protein synthesis and genetic information transfer, dietary sources of nucleic acids, and the consequences of nucleic acid deficiency in the human body.
What this essay covers
- Introduction to nucleic acids and their composition as polymers of nucleotides with phosphate groups, nitrogenous bases, and pentose sugars
- Functions of RNA and DNA, including mRNA's role in protein synthesis and DNA's role as genetic material
- Dietary sources of nucleic acids from foods including vegetables, seafood, nuts, mushrooms, and meat
- Biological functions of nucleic acids in cellular processes and immune system support
- Consequences of nucleic acid deficiency including impaired protein synthesis, cell division, and development of various diseases
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Nucleic acids play a vital role in the continuity of life. In essence, they carry the instructions necessary for cell functioning and the blueprints of a cell. The major types of nucleic acids are ribonucleic acids (RNA) and de-oxyribonucleic acids (DNA). RNA and DNA are made up of nucleotides. Nucleotides merge to form polynucleotides, RNA or DNA. Individual nucleotides consist of a phosphate group, a nitrogenous base and a pentose or five-carbon sugar. The nitrogenous bases are attached to sugar molecules, which are attached to phosphate groups. Nucleotides help in muscle growth, toxin neutralization and cellular metabolism. RNA is used in protein synthesis. DNA is a genetic material and is found or located in the body of all living organisms
The Messenger RNA (mRNA) acts as the go-between for the entire cell and the nuclear DNA. The mRNA transcribes the DNA’s parts and sends readable messages to organelles instructing them to either assemble or divide. The messenger RNA is exported to the cytoplasm from the nucleus and has information required for protein formation. Nucleic acids get into the body through different sources. Foods rich in nucleic acids are; vegetables, seafood, nuts, mushrooms, meat and yeast. Seafood consists of sardines, fish and chlorella plant like algae. Nuts consist of high unsaturated fats, and proteins that prevent heart related illnesses. Vegetables are rich in nucleic acid for example, Chine cabbages, broccoli, spinach, beans and cauliflower.