Ribonucleic Acid Collection (page 3)

Self-splicing RNA intron, molecular model F006 / 9527
Self-splicing RNA intron, molecular model. Splicing is the process where a non-coding fragment (intron) of a strand of nucleic acid (DNA, deoxyribonucleic acid; or RNA, ribonucleic acid) is removed

Transcription factor and ribosomal RNA F006 / 9516
Transcription factor and ribosomal RNA (rRNA). Molecular model showing the 6 zinc fingers of transcription factor IIIA (yellow) bound to RNA (ribonucleic acid)

RNA-induced silencing complex F006 / 9502
RNA-induced silencing complex (RISC), molecular model. This complex consists of a bacterial argonaute protein bound to a small interfering RNA (siRNA) molecule (red and blue)

Hammerhead ribozyme molecule F006 / 9492
Hammerhead ribozyme, molecular model. Ribozymes are RNA (ribonucleic acid) molecules that catalyse certain biochemical reactions

RNA interference viral suppressor and RNA F006 / 9488
RNA interference viral suppressor and RNA. Molecular model of the p19 protein (yellow) from a Tombusvirus, suppressing a double-stranded, small interfering RNA (siRNA) molecule (red and blue)

RNA polymerase molecule F006 / 9475
RNA polymerase. Molecular model of RNA polymerase (beige) transcribing a strand of mRNA (messenger ribonucleic acid, pink) from a DNA (deoxyribonucleic acid) template (red and blue)

Hammerhead ribozyme molecule F006 / 9422
Hammerhead ribozyme, molecular model. Ribozymes are RNA (ribonucleic acid) molecules that catalyse certain biochemical reactions

Ebola matrix protein molecule F006 / 9352
Ebola matrix protein. Molecular model of the Ebola virus matrix protein VP40 bound to RNA (ribonucleic acid). This membrane-associated protein is thought to be necessary for the assembly

Ribozyme enzyme and RNA F006 / 9346
Ribozyme enzyme and RNA, molecular model. Ribozymes are RNA (ribonucleic acid) molecules that catalyse certain biochemical reactions

Hepatitis D virus ribozyme complex F006 / 9295
Hepatitis D virus ribozyme complex. Molecular model showing an RNA (ribonucleic acid) strand from an Hepatitis delta (Hepatitis D) virus genomic ribozyme, complexed with a ribonucleoprotein

HIV nucleocapsid protein molecule F006 / 9219
HIV nucleocapsid protein. Molecular model of the nucleocapsid protein (yellow) from HIV-1 (human immunodeficiency virus-type 1) complexed with the Psi RNA (ribonucleic acid) packaging element (orange)

Ribosome, artwork F006 / 9206
Computer artwork of a ribosome. Ribosomes are protein particles that are found in cell cytoplasm. Each ribosome has a large and a small subunit

Nucleus and endoplasmic reticulum F006 / 9201
Computer artwork showing part of a human or eukaryotic cell. In the middle the nucleus which has a membrane with nuclear pores. Inside the nucleus is the DNA

Ribosome, artwork F006 / 9194
Computer artwork of a ribosome. Ribosomes are protein particles that are found in cell cytoplasm. Each ribosome has a large and a small subunit

Lassa virus particles, TEM C016 / 9409
Lassa virus particles. Transmission electron micrograph (TEM) of Lassa virus particles (virions, blue) amongst cell debris. This Arenavirus is the cause of Lassa fever

SARS virus particles, TEM C016 / 9445
SARS virus particles. Coloured transmission electron micrograph (TEM) of a section through a tissue sample infected with numerous SARS coronavirus particles (virions, dark, round)

Swine flu virus particles, TEM C016 / 9406
Influenza virus particles. Transmission electron micrograph (TEM) of influenza (flu) virus particles (virions). Each virion consists of ribonucleic acid (RNA, dark patches)

Lassa virus particles, TEM C016 / 9408
Lassa virus particles. Transmission electron micrograph (TEM) of Lassa virus particles (virions, green) amongst cell debris. This Arenavirus is the cause of Lassa fever

Swine flu virus particles, TEM C016 / 9407
Influenza virus particles. Transmission electron micrograph (TEM) of influenza (flu) virus particles (virions). Each virion consists of ribonucleic acid (RNA, dark patches)

Biotin-binding RNA molecule
Biotin-binding RNA (ribonucleic acid), molecular model. This RNA molecule is a pseudoknot, formed from stem-loop structures. It binds to the vitamin B7 (biotin)

Genomic HIV-RNA duplex, molecular model. This structure shows the dimerization initiation site of genomic HIV-1 with RNA (ribonucleic acid)

Ebola matrix protein molecule
Ebola matrix protein. Molecular model of the Ebola virus matrix protein VP40 (green) bound to RNA (ribonucleic acid, red)

SelB elongation factor bound to RNA. Molecular model of the SelB elongation factor bound to an mRNA (messenger ribonucleic acid) hairpin formed by the selenocysteine insertion sequence (SECIS)

Exosome complex, molecular model. This multi-protein complex functions to break up strands of RNA (ribonucleic acid, pink) during biochemical processes

Bacterial ribosome and protein synthesis. Molecular model showing a bacterial ribosome reading an mRNA (messenger ribonucleic acid) strand (blue) and synthesising a protein

RNA silencing molecule C015 / 7697
RNA silencing. Molecular model of a synthetic double stranded ribonucleic acid (RNA) molecule. RNA is the intermediate molecule between DNA (deoxyribonucleic acid) and its protein products

Avian influenza virus, TEM C015 / 8800
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C015 / 8799
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C015 / 8797
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

RNA silencing molecule C015 / 7696
RNA silencing. Molecular model of a synthetic double stranded ribonucleic acid (RNA) molecule. RNA is the intermediate molecule between DNA (deoxyribonucleic acid) and its protein products

Influenza virus, illustration C018 / 0735
Influenza virus. Illustration of an influenza (flu) virus particle (virion). The virus consists of an RNA (ribonucleic acid) core (black)

Guanine molecule, artwork C017 / 7239
Guanine molecule. Computer artwork showing the structure of a molecule of the nucleobase guanine. Atoms are shown as colour-coded spheres: carbon (green), hydrogen (white)

Thymine-adenine interaction, artwork C017 / 7368
Thymine-adenine interaction. Computer artwork showing the structure of bound thymine and adenine molecules. Atoms are shown as colour-coded spheres: carbon (green), hydrogen (white)

Cytosine molecule, artwork C017 / 7213
Cytosine molecule. Computer artwork showing the structure of a molecule of the nucleobase cytosine (2-oxy-4-aminopyrimidine)

Guanine molecule, artwork C017 / 7238
Guanine molecule. Computer artwork showing the structure of a molecule of the nucleobase guanine. Atoms are shown as colour-coded spheres: carbon (green), hydrogen (white)

Animal cell organelles, artwork
Animal cell organelles. Artwork showing the organelles in a eukaryotic cell. This is an animal cell. Structures include the nucleus (centre) which has a membrane with nuclear pores (purple)

Bacteriophage RNA, molecular model
Bacteriophage RNA. Molecular model showing the structure of a loop of the genetic material RNA (ribonucleic acid) from a bacteriophage. Bacteriophages are viruses that infect bacteria

Nucleic acid isolation resin, SEM C014 / 4732
Nucleic acid isolation resin. Coloured scanning electron micrograph (SEM) showing the structure of a silica (silicon dioxide) resin from a spin column

Eukaryotic cell nucleus, artwork
Eukaryotic cell nucleus. Artwork of the internal structure and contents of the nucleus of a eukaryotic cell. The nucleus has been sectioned in half

Influenza virus, artwork C016 / 8349
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8348
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8347
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8346
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8344
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8345
This image may not be used in educational posters Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion)

Bacterial RNA plasmid loop-loop complex, molecular model. This strand of ribonucleic acid (RNA) is part of a plasmid, the loop of genetic material found in bacterial cells

Ribosomal RNA-binding protein molecule. Computer model showing the structure of a ribosomal protein L9 (RPL9) molecule from Bacillus stearothermophilus bacteria

Signal recognition particle RNA molecule. Computer model showing the molecular structure of the 2 A structure of helix 6 of the human signal recognition particle (SRP) RNA (ribonucleic acid)

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"Unraveling the Secrets of Ribonucleic Acid: The Double-Stranded RNA Molecule" In the intricate world of molecular biology, ribonucleic acid (RNA) takes center stage as a vital player in various biological processes. This captivating molecule, often overshadowed by its famous cousin DNA, holds immense potential and complexity. DNA transcription sets the stage for RNA's crucial role. As a double-stranded RNA molecule unwinds, it serves as a template to synthesize single-stranded messenger RNA (mRNA), carrying genetic information from the nucleus to the cytoplasm. A mesmerizing molecular model showcases this elegant dance of transcription. Within bacterial ribosomes, another fascinating aspect unfolds. These cellular factories decode mRNA sequences into proteins through translation—a fundamental process that sustains life itself. Peering into their microscopic world reveals an awe-inspiring view of these tiny machines at work. But not all encounters with RNA are beneficial; some bring about disease-causing agents like human respiratory syncytial virus or paramyxovirus particles. Through electron microscopy, we witness their hauntingly beautiful structures—reminders of nature's delicate balance between beauty and danger. Electrophoresis techniques allow scientists to analyze and separate different types of RNAs based on size and charge—an invaluable tool in unraveling their mysteries. Such experiments reveal intriguing patterns under UV light that hint at hidden secrets within these molecules' structure and function. The realm of RNA extends beyond mere replication; it undergoes editing too. Molecular models showcase specialized enzymes responsible for altering specific nucleotides within an RNA sequence—a testament to nature's ingenuity in fine-tuning genetic information. Ribonucleases further highlight the multifaceted nature of RNAs—their ability to degrade both RNA-DNA hybrids and pure forms with precision is truly remarkable. Visualizing this interaction provides insights into how cells regulate gene expression through controlled degradation mechanisms.