DNA replication by helicase enzyme C013 / 9382
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DNA replication by helicase enzyme C013 / 9382
Computer artwork of DNA Helicase breaking apart the hydrogen bonds of a DNA strand for replication. Helicases are a class of enzymes vital to all living organisms. They are motor proteins that move directionally along a nucleic acid phosphodiester backbone, separating two annealed nucleic acid strands.Many cellular processes involve the separation of nucleic acid strands. Helicases are often utilized to separate strands of a DNA double helix or a self-annealed RNA molecule using the energy from ATP hydrolysis, a process characterized by the breaking of hydrogen bonds between annealed nucleotide bases. They move incrementally along one nucleic acid strand of the duplex with a directionality and processivity specific to each particular enzyme
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9201103
© PASIEKA/SCIENCE PHOTO LIBRARY
Chain Chains Code Dna Polymerase Encode Enzyme Enzymes Gene Genes Genetic Information Genetic Material Helicase Molecules Nucleotide Nucleotides Replicating Replication Fork Deoxyribonucleic Acid Genetics
EDITORS COMMENTS
This print showcases the intricate process of DNA replication, featuring the helicase enzyme C013 / 9382 in action. Created through computer artwork, it vividly depicts the vital role played by helicases in all living organisms. Helicases are motor proteins that move along a nucleic acid phosphodiester backbone, exerting their energy to separate two annealed nucleic acid strands. In this image, we witness the breaking apart of hydrogen bonds between nucleotide bases on a DNA strand for replication purposes. The significance of helicases lies in their ability to facilitate various cellular processes that involve separating nucleic acid strands. Whether it is untangling a DNA double helix or unraveling self-annealed RNA molecules, these enzymes utilize ATP hydrolysis to fuel their movement and break hydrogen bonds between annealed bases. As they progress incrementally along one strand of the duplex, each specific enzyme exhibits its own directionality and processivity. This remarkable mechanism ensures accurate replication and encoding of genetic information within chains of deoxyribonucleic acid (DNA). Captured by PASIEKA/SCIENCE PHOTO LIBRARY, this visually stunning print not only highlights the complexity and beauty inherent in molecular biology but also serves as a reminder of how fundamental DNA replication is for life itself.
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