what two functions does dna have?
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DNA serves two important cellular functions: It is the genetic material passed from parent to offspring and it serves as the information to direct and regulate the construction of the proteins necessary for the cell to perform all of its functions.
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The main and only function of nucleic acids is to hold, protect, replicate, and express the genetic information carried by the cell i the form of proteins. Although, the RNA is a capable catalyst, and can catalyze cell reactions. Lipids are structural molecules that form the backbone of each cell.
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All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information. It is often compared to a blueprint, since it contains the instructions to construct other components of the cell, such as proteins and RNA molecules.
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['It assembles amino acid to form proteins that are essential to carry out cellular functions.', 'The DNA produces mRNA by the process of DNA transcription.', 'The mRNA is synthesised in the nucleus and transported to the cytoplasm for the process of protein synthesis.']
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Function. These enzymes have several functions: to remove DNA supercoils during transcription and DNA replication; for strand breakage during recombination; for chromosome condensation; and to disentangle intertwined DNA during mitosis.
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This backbone carries four types of molecules called bases and it is the sequence of these four bases that encodes information. The major function of DNA is to encode the sequence of amino acid residues in proteins, using the genetic code.
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The main function of DNA polymerase is to synthesize DNA from deoxyribonucleotides, the building blocks of DNA. ... Primers consist of RNA or DNA bases (or both). In DNA replication, the first two bases are always RNA, and are synthesized by another enzyme called primase.
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The chromosomes serve as the structure that holds the DNA. The DNA acts as a complete set of instructions that tells our bodies how to develop. Storing more data than any computer, each chromosome contains all the information needed to give you a base for your physical (and emotional) characteristics.
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Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things. All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information.
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There are thousands of proteins in our cells that help modulate DNA's functions. These proteins are called DNA-binding proteins, because they attach to DNA. DNA binding proteins do many jobs including controlling protein production, regulating cell growth and division, and storing DNA inside the nucleus.
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DNA and RNA are two different nucleic acids found in the cells of every living organism. They both each have significan roles to play in cell biology. 2) ﻿DNA also has uracil as its base while the DNA base is thymime. 3) DNA is composed of deoxyribose sugar while RNA is made up of ribose sugar.
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The most important function of chromosomes is to carry genes—the functional units of heredity. A gene is usually defined as a segment of DNA that contains the instructions for making a particular protein (or a set of closely related proteins).
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The main function of DNA polymerase is to make DNA from nucleotides, the building blocks of DNA. There are several forms of DNA polymerase that play a role in DNA replication and they usually work in pairs to copy one molecule of double-stranded DNA into two new double stranded DNA molecules.
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RNA Functions. The central dogma of molecular biology suggests that the primary role of RNA is to convert the information stored in DNA into proteins. ... Specifically, messenger RNA (mRNA) carries the protein blueprint from a cell's DNA to its ribosomes, which are the "machines" that drive protein synthesis.
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What is the function of the nucleus? contains nearly all the cells DNA and with it the coded instructions for making proteins and other important molecules.
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DNA is a double-stranded molecule, while RNA is a single-stranded molecule. ... DNA and RNA perform different functions in humans. DNA is responsible for storing and transferring genetic information, while RNA directly codes for amino acids and acts as a messenger between DNA and ribosomes to make proteins.
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['Breaking cells open to release the DNA. ... ', 'Separating DNA from proteins and other cellular debris. ... ', 'Precipitating the DNA with an alcohol. ... ', 'Cleaning the DNA. ... ', 'Confirming the presence and quality of the DNA.']