Biochemical Collection

DNA transcription, molecular model. Secondary structure of the enzyme RNA polymerase II synthesising a mRNA (messenger ribonucleic acid, lilac) strand from a DNA (deoxyribonucleic acid)

Caffeine crystals, light micrograph
Caffeine crystals. Polarised light micrograph of crystals of caffeine (1, 3, 7-trimethylxanthine). Caffeine stimulates the central nervous system increasing alertness and deferring fatigue

Anaesthetic inhibiting an ion channel C015 / 6718
Anaesthetic inhibiting an ion channel. Computer model showing the structure of propofol anaesthetic drug molecules (spheres)

Immunoglobulin G antibody molecule. Computer model of the secondary structure of immunoglobulin G (IgG). This is the most abundant immunoglobulin and is found in all body fluids

Double-stranded RNA molecule. Computer model of the structure of double-stranded RNA (ribonucleic acid). The majority of RNA in a cell is in the single-stranded form

DNA molecule, computer artwork. DNA (deoxyribonucleic acid) is composed of two strands twisted into a double helix. Each strand consists of a sugar-phosphate backbone attached to nucleotide bases

DNA molecule. Computer artwork of a molecule of DNA (deoxyribonucleic acid) with the chemical formulas of its components. DNA is composed of two sugar-phosphate backbones (blue)

EDTA crystals, light micrograph
EDTA crystals. Polarised light micrograph of a section through ethylenediaminetetraacetic acid (EDTA) crystals. EDTA is used primarily for its effectiveness at binding metal ions (chelating)

Watson and Crick, DNA discovers
Watson and Crick. Caricature of the molecular biologists and discoverers of the structure of DNA James Watson (born 1928, left) and Francis Crick (1916-2004), with their model of a DNA molecule

Isaac Asimov, US author and biochemist
Isaac Asimov. Caricature of the Soviet-born American science fiction writer and biochemist Isaac Asimov (1920-1992). Asimov is best known for his science fiction novels and popular science books

Metabolic enzyme, artwork
Metabolic enzyme. Computer artwork of aconitase (blue), in complex with ferritin messenger ribonucleic acid (mRNA, red). Aconitase is involved in the citric acid cycle but here it is performing a

Secondary structure of proteins, artwork
Secondary structure of proteins, computer artwork. The secondary structure is the shape taken by the strands of proteins, which are biological polymers of amino acids

Oxytocin hormone crystals, PLM C016 / 7196
Oxytocin. Polarised light micrograph (PLM) of crystals of the female hormone oxytocin. In women this hormone is secreted naturally by the pituitary gland

Cell membrane, artwork C013 / 7467
Computer artwork of a cutaway view of the human cell membrane. The cell Membrane is a complex part of the cell that controls what can get in and out of the cell

Brain protein research. Computer artwork of a brain and coloured dots from a protein microarray. Protein microarrays can be used to follow protein interactions

Computer artwork of a beta DNA segment and spheres
DNA molecule. Computer artwork of part of a strand of beta DNA (deoxyribonucleic acid) seen on a background of spheres. The spheres may represent bacteria

Nucleotide base matrix. Computer artwork depicting a matrix of nucleotide bases: adenine (A), cytosine (C), guanine (G) and thymine (T)

DNA molecule, computer model
DNA molecule. Computer artwork of the molecular structure of DNA (deoxyribonucleic acid). The DNA molecule is composed of two strands twisted into a double helix

Nucleosome molecule, computer model. A nucleosome is a subunit of chromatin, the substance that forms chromosomes. It consists of a short length of DNA (deoxyribonucleic acid)

DNA molecule, abstract image
DNA molecule. Abstract computer artwork of a view along the inside of a molecule of DNA (deoxyribonucleic acid). DNA contains sections called genes that encode the bodys genetic information

DNA nucleosome, molecular model
DNA nucleosome. Molecular model of a nucleosome, the fundamental repeating unit used to package DNA (deoxyribonucleic acid) inside cell nuclei

Oxytocin crystals, light micrograph
Oxytocin. Polarised light micrograph of crystals of the female hormone oxytocin. In women this hormone is secreted naturally by the pituitary gland

DNA molecule, artwork
DNA molecule. Computer artwork of a double stranded DNA (deoxyribonucleic acid) molecule amongst clouds of swirling gas. DNA is composed of two strands twisted into a double helix

Caffeine drug molecule
Caffeine. Computer model of a molecule of the alkaloid, stimulant and legal drug caffeine. Caffeine is most often consumed in drinks like tea and coffee

Bacterial ribosome. Computer model showing the secondary structure of a 30S (small) ribosomal sub-unit from the bacteria Thermus thermophilus

HIV reverse transcription enzyme. Molecular models of the reverse transcriptase enzyme found in HIV (the human immunodeficiency virus)

Hepatitis C virus enzyme, molecular model
Hepatitis C virus enzyme. Molecular model of a genetic enzyme from the Hepatitis C virus. This enzyme is called HC-J4 RNA polymerase

Glutamine synthetase enzyme computer model. This is a ligase enzyme, which forms chemical bonds between molecules. The different colours show the different subunits that comprise the protein

Cortisol crystals, light micrograph
Cortisol crystals, polarised light micrograph. Cortisol is a steroid hormone produced by the adrenal glands, which sit on top of the kidneys

Vitamin B12, molecular model. Vitamin B12 (cyanocobalamin) is an essential nutrient that humans are unable to produce and need to obtain from their diet

Rosalind Franklin, British chemist
Rosalind Franklin (1920-1958), British chemist and X-ray crystallographer, holding a model of DNA (deoxyribonucleic acid)

DNA, illustration
DNA (deoxyribonucleic acid) molecule, computer illustration

PLM of crystals of testosterone
^BMale sex hormone.^b Polarised light micrograph of crystals of testosterone. Testosterone is the main human androgen, the class of steroid hormones responsible for the development of male

RNA-editing enzyme, molecular model
RNA-editing enzyme. Molecular model of a left-handed, RNA double helix (Z-RNA, centre) bound by the Z alpha domain of the human RNA-editing enzyme ADAR1 (double-stranded RNA adenosine deaminase)

Zinc fingers bound to a DNA strand, molecular model. The double helix of DNA (deoxyribonucleic acid, red and yellow) is seen here with two Zif268 proteins (blue and green)

Insulin crystals, light micrograph C017 / 8249
Insulin. Polarised light micrograph (PLM) of crystals of the hormone insulin. The insulin molecule is made up of two chains of amino acids (A & B chains)

Myoglobin molecule C015 / 5702
Myoglobin molecule. Computer model showing the structure of a myoglobin molecule. Myoglobin is a protein found in muscle tissue

DNA autoradiogram, artwork. Autoradiograms show the order of nucleotide bases (basic building blocks) in a sample of DNA (deoxyribonucleic acid)

Computer artwork of DNA replication
DNA replication. Computer artwork depicting DNA (deoxyribonucleic acid) replication. This segment of DNA is being " unzipped" to form a Y-shaped replication fork

Capsaicin molecule
Capsaicin, molecular model. This chemical gives chilies their heat and causes a burning sensation when ingested. It is a secondary metabolite of the chili plant (Capsicum sp)

Oxytocin neurotransmitter molecule. Computer model showing the structure of the neurotransmitter and hormone Oxytocin. Atoms are colour-coded spheres (carbon: dark grey, hydrogen: light grey)

Silver birch twig, SEM
Silver birch twig. Coloured scanning electron micrograph (SEM) of a section through a silver birch (Betula pendula) twig. At the centre of the twig (top centre left) is the pith

Januvia diabetes drug molecule
Januvia diabetes drug, molecular model. Januvia (sitagliptin) is a hypoglycaemic drug, one that reduces blood sugar levels

Praziquantel parasite drug. Computer model of a molecule of the drug praziquantel. Atoms are represented as spheres and are colour-coded; carbon (pink), hydrogen (white)

Interferon molecule. Computer model showing the secondary structure of a molecule of interferon. Interferons are proteins produced by white blood cells as part of the immune response to invading

Oxytocin hormone crystals, LM C016 / 7195
Oxytocin. Polarised light micrograph of crystals of the female hormone oxytocin. In women this hormone is secreted naturally by the pituitary gland

Manganese superoxide dismutase enzyme F006 / 9423
Manganese superoxide dismutase enzyme, molecular model. This enzyme scavenges and decomposes the potentially toxic first reduction product, superoxide, of aerobic respiration

SARS coronavirus protein. Molecular model of the ORF-9b protein produced by the SARS (severe acute respiratory syndrome) coronavirus

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"Unveiling the Intricacies of Biochemical World: From Anaesthetic Inhibiting Ion Channels to DNA Discoveries" Delving into the depths wonders, scientists have uncovered an anaesthetic that inhibits an ion channel (C015 / 6718), shedding light on new possibilities for pain management. The enigmatic double-stranded RNA molecule reveals its secrets, captivating researchers with its role in gene regulation and potential therapeutic applications. Peering into the intricate world of DNA transcription through a molecular model, scientists unravel the mysteries behind genetic information transfer and cellular function. Captured under a microscope's gaze, caffeine crystals dazzle with their vibrant beauty, reminding us of this ubiquitous stimulant's impact on our daily lives. The iconic DNA molecule stands tall as a symbol of life's blueprint, holding within it the key to our genetic heritage and evolutionary history. Immunoglobulin G antibody molecule emerges as a formidable defender against pathogens, showcasing nature's ingenious immune system at work. Through mesmerizing crystal formations seen under intense magnification, EDTA crystals reveal their significance in chelation therapy and metal ion sequestration processes. Oxytocin hormone crystals shimmer like precious gems when observed through polarized light microscopy (PLM C016 / 7196), highlighting its crucial role in social bonding and reproductive functions. Watson and Crick forever etched their names in scientific history by unravelling the structure of DNA; their groundbreaking discovery paved the way for countless advancements in genetics research. Celebrated author Isaac Asimov not only captivated readers with his science fiction tales but also left an indelible mark as a biochemist who popularized complex scientific concepts for all to comprehend and appreciate. Artistic renditions bring metabolic enzymes to life as they orchestrate vital chemical reactions within cells – true catalysts that drive life's intricate processes.