ED
+
Human chromosome 16 coloured scanning electron micrograph (SEM) Chromosomes are a packaged form of the genetic material DNA (deoxyribonucleic acid)
ED
+
BUsed toothbrush bristleb Coloured scanning electron micrograph (SEM) of dental plaque on a bristle from a used toothbrush Plaque consists of a fi
ED
+
BUsed toothbrush bristleb Coloured scanning electron micrograph (SEM) of dental plaque on a bristle from a used toothbrush Plaque consists of a f
ED
+
BUsed toothbrush bristlesb Coloured scanning electron micrograph (SEM) of dental plaque on the bristles of a used toothbrush Plaque consists of a
ED
+
BUsed toothbrush bristlesb Coloured scanning electron micrograph (SEM) of dental plaque on the bristles of a used toothbrush Plaque consists of a
ED
+
BUsed toothbrush bristleb Coloured scanning electron micrograph (SEM) of a bristle from a used toothbrush It is covered in dental plaque Plaque c
ED
+
BUsed toothbrush bristleb Coloured scanning electron micrograph (SEM) of a bristle from a used toothbrush It is covered in dental plaque Plaque c
ED
+
Ebola matrix protein Molecular model of the Ebola virus matrix protein VP40 bound to RNA (ribonucleic acid) This membrane-associated protein is thou
RM
+
Methanoic acid reacting with magnesium ribbon Methanoic is a carboxylic acid a weak acid Methanoic is also known as formic acid Even in its concen
RF
+
Bottle of formic acid
ED
+
Ebola matrix protein Molecular model of the Ebola virus matrix protein VP40 bound to RNA (ribonucleic acid) This membrane-associated protein is thou
ED
+
Editorial use only Dr Gobind Khorana (1922-2011 left) Indian American chemist and Dr T Mathai Jacob (right) at their laboratory at the Institute
ED
+
Editorial use only Jet-assisted take-off (JATO) research 1940s Engineer working on an early form of rocket aircraft a jet-assisted take-off (JATO
ED
+
BCOMMERCIAL USE REQUIRES CLEARANCE James Dewey Watson (born 1928) American molecular biologist photographed in the year he co-discovered the struc
ED
+
Oswald Avery (1877-1955) US bacteriologist Avery was born in Canada but was educated in New York He qualified in medicine in 1904 and entered bac
ED
+
Johann Friedrich Miescher Portrait of the Swiss biochemist Johann Friedrich Miescher (1844-1895) the discoverer of DNA (deoxyribonucleic acid) Mies
ED
+
Fertilisation Coloured scanning electron micrograph (SEM) of a sperm (blue) attempting to penetrate a human egg (yellow) The sperm (spermatozoan) ha
ED
+
False-colour transmission electron micrograph (TEM) of Clostridium butyricum bacteria At above centre a spore (pink) is seen enclosed within a cell;
RF
+
Close view of a puss moth caterpillar (Cerura vinula) If threatened this spec ies inflates its multi-colored thorax and spits formic acid from a gla
RF
+
Red Wood Ant
ED
+
Cell division Fluorescent micrograph of two animal cells during cytokinesis (cell division) Cytokinesis occurs after nuclear division (mitosis) whi
ED
+
Adenoviruses Coloured transmission electron micrograph (TEM) of adenovirus particles The viruses have icosahedral (20-sided) protein coats or capsi
ED
+
Explosive manufacture Illustration of the apparatus used to make nitroglycerine the explosive which earnt Swedish inventor Alfred Nobel his fortune
ED
+
Fertilisation Coloured scanning electron micrograph (SEM) of a sperm cell (blue) penetrating a human egg (ovum) Each sperm (spermatozoan) has a roun
ED
+
Air pollution Industrial chimneys give out fumes at sunset Industrial processes are a major source of sulphur and nitrogen oxides which dissolve in
ED
+
Human DNA Computer molecular graphic of human Deoxyribonucleic Acid (DNA) DNA determines a persons hereditary characteristics This is the more com
ED
+
Polarised light micrograph of cortisol or hydro- cortisone the chief steroid hormone secreted by the adrenal cortex Cortisol plays a role in both n
ED
+
Molecular computer graphics representation of a B- DNA (deoxyribonucleic acid) molecule the genetic material of most living organisms DNA consists o
RF
+
Red Wood Ant
RF
+
Red Wood Ant
ED
+
Tryptophan molecule Computer model of a molecule of the amino acid tryptophan Atoms are represented as spheres and are colour-coded carbon (light b
ED
+
Polarised light micrograph of crystals of the amino acid arginine (ARG) There are twenty standard amino acids which form the basic building blocks o
ED
+
Red wood ant Coloured scanning electron micrograph (SEM) of a red wood ant (Formica rufa) Its antennae are seen at upper left and right Behind thes
ED
+
Yeast nucleus Coloured scanning electron micrograph (SEM) of the nucleus (blue round) of the yeast Saccharomyces cerevisiae The nucleus contains th
ED
+
Transfer RNA molecule Computer artwork of the double helix of tRNA (transfer ribonucleic acid) formed by spiralling paired strands of sugar phosphat
ED
+
Human DNA Computer molecular graphic of human Deoxyribonucleic Acid (DNA) DNA determines a persons hereditary characteristics This is the more com
ED
+
Molecular computer graphics representation of the B (left) and Z forms of the DNA (deoxyribonucleic acid) molecule the genetic material of most livin
ED
+
Molecular computer graphics representation of the DNA (deoxyribonucleic acid) molecule the genetic material of most living organisms DNA consists of
RF
+
Red Wood Ant
RF
+
Red Wood Ant
ED
+
Magnesium sulphate Polarised light micrograph of crystals of magnesium sulphate (MgSO4) a chemical used medicinally and in the textile industry Thi
ED
+
DNA double helix Computer artwork of a double- stranded DNA (deoxyribonucleic acid) helix Each strand is composed of a sequence of nucleotide units
ED
+
The double helix Computer graphic illustration of the structure of DNA The two helices of the structure are formed by alternating phosphate and suga
ED
+
Fertilisation Coloured scanning electron micrograph (SEM) of a sperm (purple) attempting to penetrate a human egg (red) The sperm (spermatozoan) has
ED
+
Light micrograph of a vaginal smear showing the rod-shaped bacteria Lactobacillus acidophilus which forms the predominant flora in the vagina of the
ED
+
Human DNA Computer artwork of a molecule of Deoxyribonucleic Acid (DNA) superimposed on a transmission electron micrograph of a normal human cell DN
ED
+
The double helix Computer graphic image of three strands of DNA Each strand is formed by two helical backbones consisting of alternating phosphate
ED
+
Molecular computer graphics representation of the DNA (deoxyribonucleic acid) molecule the genetic material of most living organisms DNA consists of
RF
+
Red Wood Ant
RF
+
Red Wood Ant
ED
+
Polarised light micrograph of cortisol or hydro- cortisone the chief steroid hormone secreted by the adrenal cortex Cortisol plays a role in both n
ED
+
Friedrich Serturner Portrait of Friedrich Wilhelm Serturner (1783-1841) German pharmacist and morphine pioneer After being apprenticed to an apothe
ED
+
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 singl
ED
+
False-colour scanning tunnelling microscope (STM) image of a fatty acid bi-layer deposited on a graphite substrate The STM provides a detailed image
ED
+
Multiple gene transcripts Coloured Scanning Elec- tron Micrograph (SEM) of a gene duplicated many times in the midge insect Chironomus sp (family C
ED
+
DNA molecule Computer molecular graphic of a Deoxyribonucleic Acid (DNA) molecule showing the chemical groups that a protein may use to identify a s
ED
+
Human chromosomes Coloured scanning electron micrograph (SEM) of two human chromosomes Chromo- somes are mainly composed of DNA (deoxyribonucleic ac
ED
+
Human chromosomes Coloured scanning electron micrograph (SEM) of two human chromosomes Chromo- somes are mainly composed of DNA (deoxyribonucleic ac
RF
+
Red Wood Ant
RF
+
Container of the food additive E236 a preservative by WLADIMIR BULGARSCIENCE PHOTO LIBRARY
ED
+
Human chromosomes Coloured scanning electron micrograph (SEM) of pairs of human chromosomes One chromosome of each pair has replicated during cell d
ED
+
Yoghurt bacteria Coloured scanning electron micrograph (SEM) of the bacteria Streptococcus thermophilus (spherical) and Lactobacillus bulgar- icus (r
ED
+
Goblet and secretory cells Coloured transmission electron micrograph (TEM) of a section through a goblet cell (pink blue) and secretory cells of th
ED
+
Genetic research Conceptual computer artwork showing part of a DNA molecule (down right) and the letter codes for the nucleotide bases adenine (A)
ED
+
DNA packaging Computer artwork showing how DNA (deoxyribonucleic acid) is packaged within a cell nucleus A double strand of DNA is at bottom Each s
ED
+
Daniell cell Invented by the British chemist John Frederic Daniell (1790-1845) the Daniell cell (left) is made from two half-cells the electrolytes
ED
+
Human chromosomes Coloured scanning electron micrograph (SEM) of a group of human chromosomes These structures occur in the nucleus of every cell in
ED
+
Scrapie infected brain storage Sample bottles containing mouse brains infected with scrapie The brains are being stored in formic acid prior to sect
RF
+
Ants patroling their green plant lice
RF
+
Ants patroling their green plant lice
ED
+
Blister after verruca treatment View of a blood blister on the foot of a ten year old boy one week after cryosurgery (cold treatment) to remove a ver
ED
+
GM barley (Hordeum sp) Genetic modification (GM) of plants involves altering their Deoxyribonucleic acid (DNA) the molecule that controls every par
ED
+
Fluorite cubic crystals close-up Also known as fluorspar this mineral is composed of calcium fluoride (CaF2) This is a cubic or isometric minera
ED
+
Iron pyrite crystal Pyrite or iron disulphide (FeS2) is the most abundant sulphide mineral more commonly known as fools gold It is mined worldwide
ED
+
Iron pyrite crystal Pyrite or iron disulphide (FeS2) is the most abundant sulphide mineral more commonly known as fools gold It is mined world wid
ED
+
Model of the DNA Double Helix 2017 In molecular biology the term double helix refers to the structure formed by double-stranded molecules of nuclei
ED
+
Gasworks Industrial plant for treating acidic natural gas Natural gas is a fossil fuel that is largely made up of hydrocarbon gases such as methane
ED
+
Digestive system Computer artwork showing a healthy human digestive system in stylised and three-dimensional form At top is the oesophagus a tube
RF
+
Wood ant
RF
+
Ant and plant lice
ED
+
Genetically modified wheat Conceptual computer artwork of a crop of genetically modified (GM) wheat (Triticum sp) Two heads of wheat form a DNA dou
ED
+
Single gene transcript Coloured Scanning Electron Micrograph (SEM) of a single duplicated gene of the midge insect Chironomus sp (family Chirono- m
ED
+
Karst landscape cut-away illustration This is a type of landscape that occurs in regions with limestone bedrock Rainwater erodes the rock because c
ED
+
Glucose Computer graphic of a molecule of the glucopyranose form of D-glucose also known as dextrose or grape sugar the principal fuel that cells u
ED
+
Titration experiment to measure the volume of acid needed to neutralize an alkaline solution The alkaline solution is in the conical flask (bottom ce
ED
+
False-colour scanning electron micrograph (SEM) of the surface of the gastric epithelium lining the human stomach The lining of an empty mammalian st
ED
+
Digestive system computer artwork After chewing food passes down the oesophagus (pink top) to the stomach (brown upper right) Here the food is c
ED
+
Interleukin-6 Molecular model of a molecule of the cytokine protein interleukin-6 This protein is produced in the body and has a wide variety of fun
RF
+
Ant and plant lice
RF
+
Ant and plant lice
ED
+
Bacterial colony study Technician marking radioactively-tagged bacterial colonies on an autoradiograph for the human genome project Known human DN
ED
+
Islet of Langerhans Light micrograph of a section through pancreas tissue showing an islet of Langerhans (pale circle lower left) The islets are cl
ED
+
DNA molecule Computer graphic ball stick model representing a segment of the molecule Deoxyribonucleic Acid (DNA) This is the alpha form of DNA in
ED
+
Growth hormone Computer graphic of a molecule of the protein somatotropin the human growth hormone It is produced by the anterior lobe of the pitui
ED
+
Cancer research Coloured scanning electron micrograph (SEM) of a cancer cell (orange) and an autoradiogram showing the genetic code of a section of D
ED
+
Voltaic battery (pile) this was made up of a disc of zinc a disc of copper a disc of cloth moistened with acid then a disc of zinc and so on Each
ED
+
Nobel Explosives Company Limited Ardeer Ayrshire 2 Gate to Danger Department with Searcher on duty 3 Laboratory 4 Stores 5 Preparati
ED
+
Asian flu virus Coloured transmission electron micrograph of Asian influenza (flu) viruses In appearance they are typical of the strains which cause
RF
+
Ant and plant lice
RF
+
Wood Ant
534
0
https://www.afloimages.com/search/formic%20acid.html