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small interfering RNA bound to a messenger RNA, cartoon model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.
small interfering RNA bound to a messenger RNA, cartoon model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.PREMIUM
RNA polymerase 2 catalyzes the synthesis of mRNA, snRNA and miRNA precursors from a DNA template
RNA polymerase 2 catalyzes the synthesis of mRNA, snRNA and miRNA precursors from a DNA templatePREMIUM
P53 transcription factor bound to DNA
P53 transcription factor bound to DNAPREMIUM
Eukaryotic ribosome, protein subunits in violet, RNA subunits in blue, 40S subunit in darker shades.
Eukaryotic ribosome, protein subunits in violet, RNA subunits in blue, 40S subunit in darker shades.PREMIUM
Hepatitis B capsid, space-filling model. Hepatitis B is a viral infectious disease that affects the liver.
Hepatitis B capsid, space-filling model. Hepatitis B is a viral infectious disease that affects the liver.PREMIUM
microRNA (let7; pink) bound to mRNA (lin-41; cyan). miRNAs are small non-coding RNA molecules important for gene regulation and implicated in cancer, obesity and heart disease.
microRNA (let7; pink) bound to mRNA (lin-41; cyan). miRNAs are small non-coding RNA molecules important for gene regulation and implicated in cancer, obesity and heart disease.PREMIUM
DNA binding domains of transcription factors Oct1 and Sox2, which are essential for self-renewal of embryonic stem cells.
DNA binding domains of transcription factors Oct1 and Sox2, which are essential for self-renewal of embryonic stem cells.PREMIUM
Hepatitis B capsid, space-filling model. Hepatitis B is a viral infectious disease that affects the liver.
Hepatitis B capsid, space-filling model. Hepatitis B is a viral infectious disease that affects the liver.PREMIUM
small interfering RNA bound to a messenger RNA, space-filling model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression. Stock Photo
small interfering RNA bound to a messenger RNA, space-filling model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.PREMIUM
HNF homeobox A (HNF1A) transcription factor, cartoon model with semi-transparent surface.
HNF homeobox A (HNF1A) transcription factor, cartoon model with semi-transparent surface.PREMIUM
IgG antiody, cartoon model with semi-transparent surface.
IgG antiody, cartoon model with semi-transparent surface.PREMIUM
small interfering RNA bound to a messenger RNA, cartoon model with semi-transparent surface. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression. Stock Photo
small interfering RNA bound to a messenger RNA, cartoon model with semi-transparent surface. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.PREMIUM
Transfer RNA (tRNA) is a small molecule that carries amino-acids to ribosomes, where they are linked into a nascent protein. Space-filling model, conventional atom colors.
Transfer RNA (tRNA) is a small molecule that carries amino-acids to ribosomes, where they are linked into a nascent protein. Space-filling model, conventional atom colors.PREMIUM
Transfer RNA (tRNA) is a small molecule that carries amino-acids to ribosomes, where they are linked into a nascent protein. Cartoon model with semi-transparent surface. Stock Photo
Transfer RNA (tRNA) is a small molecule that carries amino-acids to ribosomes, where they are linked into a nascent protein. Cartoon model with semi-transparent surface.PREMIUM
Transfer RNA (tRNA) is a small molecule that carries amino-acids to ribosomes, where they are linked into a nascent protein. Ball-and-stick model, hydrogen atoms not shown for clarity. Stock Photo
Transfer RNA (tRNA) is a small molecule that carries amino-acids to ribosomes, where they are linked into a nascent protein. Ball-and-stick model, hydrogen atoms not shown for clarity.PREMIUM
The structure of human prolactin, cartoon model. Prolactin is a hormone with a primary role in enabling female mammals to produce milk.
The structure of human prolactin, cartoon model. Prolactin is a hormone with a primary role in enabling female mammals to produce milk.PREMIUM
L-carnitine is a natural compound sythesized from amino acids methionine and lysine, that is widely used as a weight loss supplement.
L-carnitine is a natural compound sythesized from amino acids methionine and lysine, that is widely used as a weight loss supplement.PREMIUM
HIV virus reverse transcriptase protein, bound to its target DNA. Reverse transcriptase transcribes viral RNA to DNA in a host cell.
HIV virus reverse transcriptase protein, bound to its target DNA. Reverse transcriptase transcribes viral RNA to DNA in a host cell.PREMIUM
BRCA2 (breast cancer susceptibility gene 2) tumor suppressor bound to DSS1. BRCA2 mutations are implicated in hereditary breast, ovarian and prostate cancer, as well as malignant melanoma and pancreatic cancers. Stock Photo
BRCA2 (breast cancer susceptibility gene 2) tumor suppressor bound to DSS1. BRCA2 mutations are implicated in hereditary breast, ovarian and prostate cancer, as well as malignant melanoma and pancreatic cancers.PREMIUM
Ribbon model of p53 protein bound to DNA molecule. p53 (aka tumor protein 53) is a transcription factor whose inactivation can trigger the onset of cancer.
Ribbon model of p53 protein bound to DNA molecule. p53 (aka tumor protein 53) is a transcription factor whose inactivation can trigger the onset of cancer. PREMIUM
DNA binding domains of transcription factors Oct1 and Sox2, which are essential for self-renewal of embryonic stem cells.
DNA binding domains of transcription factors Oct1 and Sox2, which are essential for self-renewal of embryonic stem cells.PREMIUM
Insulin molecules assembled in a dimer. Insulin is a pancreatic hormone which is central to regulating fat and carbohydrate metabolism in the body.
Insulin molecules assembled in a dimer. Insulin is a pancreatic hormone which is central to regulating fat and carbohydrate metabolism in the body.PREMIUM
Glyphosate is a widely used broad-spectrum herbicide. Ball and stick model, conventional atom colouring.
Glyphosate is a widely used broad-spectrum herbicide. Ball and stick model, conventional atom colouring.PREMIUM
Dihydrotestosterone is a steroid hormone and a contributing factor to male baldness, prostatic benign hyperplasia and prostate cancer. Stock Photo
Dihydrotestosterone is a steroid hormone and a contributing factor to male baldness, prostatic benign hyperplasia and prostate cancer.PREMIUM
Taq polymerase is a thermostable DNA polymerase, frequently used for PCR, an important method in biomedical research that enables amplification of short DNA segments.
Taq polymerase is a thermostable DNA polymerase, frequently used for PCR, an important method in biomedical research that enables amplification of short DNA segments.PREMIUM
DNA binding domains of transcription factors Oct1 and Sox2, which are essential for self-renewal of embryonic stem cells. Stock Photo
DNA binding domains of transcription factors Oct1 and Sox2, which are essential for self-renewal of embryonic stem cells.PREMIUM
Green fluorescent protein is a biosensor often used in molecular biology as a reporter of expression. Cartoon model with semi-transparent surface. Stock Photo
Green fluorescent protein is a biosensor often used in molecular biology as a reporter of expression. Cartoon model with semi-transparent surface.PREMIUM
Insulin molecule, space-filling model  Insulin is a pancreatic hormone which is central to regulating fat and carbohydrate metabolism in the body  Atoms are coloured according to convention  nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white; sulphur-
Insulin molecule, space-filling model Insulin is a pancreatic hormone which is central to regulating fat and carbohydrate metabolism in the body Atoms are coloured according to convention nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white; sulphur-PREMIUM
Glutamine  amino acid  molecule, ball and stick model  Atoms colored according to convention
Glutamine amino acid molecule, ball and stick model Atoms colored according to convention PREMIUM
Oxygen molecule, ball-and-stick and space filling models
Oxygen molecule, ball-and-stick and space filling models PREMIUM
Dopamine is a hormone/neurotransmitter with a variety of functions, most notably reward-driven learning and developing addictive behaviour. Atoms are colored according to convention (hydrogen-white, carbon-gray, nitrogen-blue, oxygen-red).
Dopamine is a hormone/neurotransmitter with a variety of functions, most notably reward-driven learning and developing addictive behaviour. Atoms are colored according to convention (hydrogen-white, carbon-gray, nitrogen-blue, oxygen-red).PREMIUM
Glucose molecule, ball and stick model. Shown in its most common form in aqueous solution - glucopyranose. Stock Photo
Glucose molecule, ball and stick model. Shown in its most common form in aqueous solution - glucopyranose.PREMIUM
Fructose molecule, ball and stick model. Shown in its most common form in aqueous solution - fructofuranose.
Fructose molecule, ball and stick model. Shown in its most common form in aqueous solution - fructofuranose.PREMIUM
Ethanol, ball and stick model. Also known as ethyl alcohol or drinking alcohol, it is the most widely accepted recreational psychoactive drug, and is also used as a solvent, fuel, or indicator in thermometers. Stock Photo
Ethanol, ball and stick model. Also known as ethyl alcohol or drinking alcohol, it is the most widely accepted recreational psychoactive drug, and is also used as a solvent, fuel, or indicator in thermometers.PREMIUM
Vitamin B12, ball and stick model. Atoms are coloured according to convention (nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white; phosphorus-orange; cobalt-pink).
Vitamin B12, ball and stick model. Atoms are coloured according to convention (nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white; phosphorus-orange; cobalt-pink).PREMIUM
Triiodothyronine (T3) molecule, ball and stick model. T3 is a thyroid hormone that affects growth and development, metabolism, body temperature, and heart rate.
Triiodothyronine (T3) molecule, ball and stick model. T3 is a thyroid hormone that affects growth and development, metabolism, body temperature, and heart rate. PREMIUM
Thyroxine, ball and stick model. Thyroxine is a thyroid hormone that regulates metabolism. Atoms are colored according to convetion.
Thyroxine, ball and stick model. Thyroxine is a thyroid hormone that regulates metabolism. Atoms are colored according to convetion.PREMIUM
Serotonin is a hormone that contributes to feeling of happines  Ball and stick model, atoms are coloured according to convention  nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white
Serotonin is a hormone that contributes to feeling of happines Ball and stick model, atoms are coloured according to convention nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white PREMIUM
Serine  amino acid  molecule, ball and stick model  Atoms colored according to convention
Serine amino acid molecule, ball and stick model Atoms colored according to convention PREMIUM
Vitamin B9, also known as folic acid, ball and stick model. Atoms are coloured according to convention (nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white).
Vitamin B9, also known as folic acid, ball and stick model. Atoms are coloured according to convention (nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white).PREMIUM
Human hemoglobin in its oxy- state. Alfa and beta subunits are coloured yellow and red
Human hemoglobin in its oxy- state. Alfa and beta subunits are coloured yellow and redPREMIUM
ATP synthase, ribbon model. ATP synthase is an enzyme that provides energy for cells by synthesizing adenosine triphosphate.
ATP synthase, ribbon model. ATP synthase is an enzyme that provides energy for cells by synthesizing adenosine triphosphate.PREMIUM
Antibody, space-filling model. Light and heavy chains are colored yellow and orange, respectively. Stock Photo
Antibody, space-filling model. Light and heavy chains are colored yellow and orange, respectively.PREMIUM
Arginine (amino acid) molecule, ball and stick model. Atoms colored according to convention.
Arginine (amino acid) molecule, ball and stick model. Atoms colored according to convention.PREMIUM
Aspartate (amino acid) molecule, ball and stick model. Atoms colored according to convention.
Aspartate (amino acid) molecule, ball and stick model. Atoms colored according to convention.PREMIUM
Ammonia molecule, ball-and-stick and space filling models.
Ammonia molecule, ball-and-stick and space filling models.PREMIUM
Acetylcholine is an important neurotransmiter in both central and peripheral nervous system.
Acetylcholine is an important neurotransmiter in both central and peripheral nervous system. PREMIUM
Alanine (amino acid) molecule, ball and stick model. Atoms colored according to convention.
Alanine (amino acid) molecule, ball and stick model. Atoms colored according to convention.PREMIUM
Viral capsid, space-filling model  Darker structures are closer to the core of the particle
Viral capsid, space-filling model Darker structures are closer to the core of the particle PREMIUM
DNMT3 is an enzyme from a group of DNA methlytransferases, which modify DNA in order to regulate gene expression and activity
DNMT3 is an enzyme from a group of DNA methlytransferases, which modify DNA in order to regulate gene expression and activity PREMIUM
Ribbon model of p53 protein bound to DNA molecule  p53  aka tumor protein 53  is a transcription factor whose inactivation can trigger the onset of cancer   Stock Photo
Ribbon model of p53 protein bound to DNA molecule p53 aka tumor protein 53 is a transcription factor whose inactivation can trigger the onset of cancer PREMIUM
Insulin molecules assembled in a hexamer, coordinated around the zinc atom  Insulin is a pancreatic hormone which is central to regulating fat and carbohydrate metabolism in the body  It is stored in the body as a hexamer, while the active form is monomer
Insulin molecules assembled in a hexamer, coordinated around the zinc atom Insulin is a pancreatic hormone which is central to regulating fat and carbohydrate metabolism in the body It is stored in the body as a hexamer, while the active form is monomerPREMIUM
High-resolution ribbon model of an immunoglobulin molecule with transparent surface  Heavy chains are coloured white, while light chains are red  Raytraced, isolated on black  Immunoglobulins are Y-shaped proteins produced by B-cells  type of lymphocytes
High-resolution ribbon model of an immunoglobulin molecule with transparent surface Heavy chains are coloured white, while light chains are red Raytraced, isolated on black Immunoglobulins are Y-shaped proteins produced by B-cells type of lymphocytes PREMIUM
Luciferase is an enzyme that produces bioluminescence, often used as a tool in biotechnology. Cartoon model with semi-transparent surface.
Luciferase is an enzyme that produces bioluminescence, often used as a tool in biotechnology. Cartoon model with semi-transparent surface.PREMIUM
Telomerase is an enzyme that adds short DNA repeats to the ends (telomeres) of eukaryotic chromosomes, thereby preventing their shortening. Cartoon model, DNA in pink, RNA elongation template in cyan.
Telomerase is an enzyme that adds short DNA repeats to the ends (telomeres) of eukaryotic chromosomes, thereby preventing their shortening. Cartoon model, DNA in pink, RNA elongation template in cyan.PREMIUM
small interfering RNA bound to a messenger RNA, ball and stick model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.
small interfering RNA bound to a messenger RNA, ball and stick model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.PREMIUM
The CRISPR/Cas9 genome editing/engineering system. Simplified surface model of Cas9, DNA in yellow, RNA in orange.
The CRISPR/Cas9 genome editing/engineering system. Simplified surface model of Cas9, DNA in yellow, RNA in orange.PREMIUM
Follicle stimulating hormone (FSH), space-filling model. FSH is a hormone important for the overall functioning of the reproductive system.
Follicle stimulating hormone (FSH), space-filling model. FSH is a hormone important for the overall functioning of the reproductive system.PREMIUM
small interfering RNA bound to a messenger RNA, space-filling model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.
small interfering RNA bound to a messenger RNA, space-filling model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.PREMIUM
The structure of recombinant bovine interferon gamma, cartoon model with semi-transparent surface. Interferons are proteins released by cells in presence of pathogens. Several types are approved for pharmaceutical use in cancer and viral therapy. Stock Photo
The structure of recombinant bovine interferon gamma, cartoon model with semi-transparent surface. Interferons are proteins released by cells in presence of pathogens. Several types are approved for pharmaceutical use in cancer and viral therapy.PREMIUM
The structure of recombinant bovine interferon gamma, cartoon model. Interferons are proteins released by cells in presence of pathogens. Several types are approved for pharmaceutical use in cancer and viral therapy.
The structure of recombinant bovine interferon gamma, cartoon model. Interferons are proteins released by cells in presence of pathogens. Several types are approved for pharmaceutical use in cancer and viral therapy.PREMIUM
BRCA2 (breast cancer susceptibility gene 2) tumor suppressor bound to DSS1. BRCA2 mutations are implicated in hereditary breast, ovarian and prostate cancer, as well as malignant melanoma and pancreatic cancers.
BRCA2 (breast cancer susceptibility gene 2) tumor suppressor bound to DSS1. BRCA2 mutations are implicated in hereditary breast, ovarian and prostate cancer, as well as malignant melanoma and pancreatic cancers.PREMIUM
Methane molecule, ball-and-stick and space-filling models.
Methane molecule, ball-and-stick and space-filling models.PREMIUM
Methionine  amino acid  molecule, ball and stick model  Atoms colored according to convention
Methionine amino acid molecule, ball and stick model Atoms colored according to convention PREMIUM
Isoleucine  amino acid  molecule, ball and stick model  Atoms colored according to convention  Stock Photo
Isoleucine amino acid molecule, ball and stick model Atoms colored according to convention PREMIUM
Ozone molecule, ball-and-stick and space filling models
Ozone molecule, ball-and-stick and space filling models PREMIUM
Rhodopsin, also known as visual purple, is a pigment in photorecoptor cells of the retina important for the perception of light  Stock Photo
Rhodopsin, also known as visual purple, is a pigment in photorecoptor cells of the retina important for the perception of light PREMIUM
Tryptophan (amino acid) molecule, ball and stick model. Atoms colored according to convention.
Tryptophan (amino acid) molecule, ball and stick model. Atoms colored according to convention.PREMIUM
Valine (amino acid) molecule, ball and stick model. Atoms colored according to convention.
Valine (amino acid) molecule, ball and stick model. Atoms colored according to convention.PREMIUM
Ball and stick model of cholecalciferol, known as vitamin D. Atoms are coloured according to convention (carbon-grey, hydrogen-white, oxygen-red). Vitamin D deficiency can cause rickets, a childhood form of bone-softening illness.
Ball and stick model of cholecalciferol, known as vitamin D. Atoms are coloured according to convention (carbon-grey, hydrogen-white, oxygen-red). Vitamin D deficiency can cause rickets, a childhood form of bone-softening illness.PREMIUM
Ball and stick model of vitamin B7, also known as biotin and coenzyme R. Atoms are coloured according to convention (nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white; sulphur-yellow). Stock Photo
Ball and stick model of vitamin B7, also known as biotin and coenzyme R. Atoms are coloured according to convention (nitrogen-blue; carbon-gray; oxygen-red; hydrogen-white; sulphur-yellow).PREMIUM
Ball and stick model of retinol (vitamin A). Atoms are coloured according to convention (carbon-grey, hydrogen-white, oxygen-red). Vitamin A is essential for vision, skin health, bone growth and teeth mineralization.
Ball and stick model of retinol (vitamin A). Atoms are coloured according to convention (carbon-grey, hydrogen-white, oxygen-red). Vitamin A is essential for vision, skin health, bone growth and teeth mineralization.PREMIUM
DNA. 18-base-pair stretch of a deoxyribonucleic acid in its B-DNA conformation.
DNA. 18-base-pair stretch of a deoxyribonucleic acid in its B-DNA conformation.PREMIUM
Ball and stick model of DDT, banned incesticide that was widely used in the mid-20th century. Stock Photo
Ball and stick model of DDT, banned incesticide that was widely used in the mid-20th century.PREMIUM
Bacteriophage lambda Cro repressor protein bound to DNA.
Bacteriophage lambda Cro repressor protein bound to DNA.PREMIUM
Bisphenol A, ball and stick model. BPA is an organic compound found in plastics, use of which has been banned in baby plastic bottles due to estrogenic activity. Stock Photo
Bisphenol A, ball and stick model. BPA is an organic compound found in plastics, use of which has been banned in baby plastic bottles due to estrogenic activity.PREMIUM
Cartoon model of membrane-embedded rhodopsin(light-sensitive receptor protein found in the rods of the retina). Stock Photo
Cartoon model of membrane-embedded rhodopsin(light-sensitive receptor protein found in the rods of the retina).PREMIUM
Nucleosome is a basic unit of DNA packaging in eukaryotic cells, with 147 nucleotides of DNA wrapped around the core built from histone proteins
Nucleosome is a basic unit of DNA packaging in eukaryotic cells, with 147 nucleotides of DNA wrapped around the core built from histone proteinsPREMIUM
Glutaminyl-tRNA synthetase attaches glutamine to its tRNA. Cartoon model with semi-transparent surface. Stock Photo
Glutaminyl-tRNA synthetase attaches glutamine to its tRNA. Cartoon model with semi-transparent surface.PREMIUM
Thrombin is an enzyme active in blood clotting process. Space-filling model.
Thrombin is an enzyme active in blood clotting process. Space-filling model.PREMIUM
Poliovirus is an enterovirus that causes poliomyelitis (polio). Space-filling model of a virus particle bound to Pvr/CD155 cell surface receptors. Stock Photo
Poliovirus is an enterovirus that causes poliomyelitis (polio). Space-filling model of a virus particle bound to Pvr/CD155 cell surface receptors.PREMIUM
small interfering RNA bound to a messenger RNA, ball and stick model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.
small interfering RNA bound to a messenger RNA, ball and stick model. siRNAs are synthetic RNA interference tools used for inducing temporary reduction of mRNA expression.PREMIUM
DNMT3 is an enzyme from a group of DNA methlytransferases, which modify DNA in order to regulate gene expression. Cartoon model with semitransparent surface.
DNMT3 is an enzyme from a group of DNA methlytransferases, which modify DNA in order to regulate gene expression. Cartoon model with semitransparent surface.PREMIUM
Luciferase is an enzyme that produces bioluminescence, often used as a tool in biotechnology. Cartoon model.
Luciferase is an enzyme that produces bioluminescence, often used as a tool in biotechnology. Cartoon model.PREMIUM
Ubiquitin molecule, cartoon model with semi-transparent surface.
Ubiquitin molecule, cartoon model with semi-transparent surface.PREMIUM
Transfer RNA (tRNA) is a small molecule that carries amino-acids to ribosomes, where they are linked into a nascent protein. Ball-and-stick model, hydrogen atoms not shown for clarity.
Transfer RNA (tRNA) is a small molecule that carries amino-acids to ribosomes, where they are linked into a nascent protein. Ball-and-stick model, hydrogen atoms not shown for clarity.PREMIUM
The stcurture of MDMA molecule, space-filling model. MDMA is a widely used recreational drug.
The stcurture of MDMA molecule, space-filling model. MDMA is a widely used recreational drug.PREMIUM
The structure of human interferon beta, cartoon model with semi-transparent surface. Interferons are proteins released by cells in presence of pathogens. Several types are approved for pharmaceutical use in cancer and viral therapy.
The structure of human interferon beta, cartoon model with semi-transparent surface. Interferons are proteins released by cells in presence of pathogens. Several types are approved for pharmaceutical use in cancer and viral therapy.PREMIUM
The structure of human interferon beta, cartoon model. Interferons are proteins released by cells in presence of pathogens. Several types are approved for pharmaceutical use in cancer and viral therapy.
The structure of human interferon beta, cartoon model. Interferons are proteins released by cells in presence of pathogens. Several types are approved for pharmaceutical use in cancer and viral therapy.PREMIUM
Saccharin molecule, space-filling model. Saccharin is an artificial sweetener used to sweeten diet food and drinks.
Saccharin molecule, space-filling model. Saccharin is an artificial sweetener used to sweeten diet food and drinks.PREMIUM
BRCA1 tumor supressor protein RING domain, in complex with BARD1 protein. BRCA1 mutations are implicated in hereditary breast, ovarian and prostate cancer.
BRCA1 tumor supressor protein RING domain, in complex with BARD1 protein. BRCA1 mutations are implicated in hereditary breast, ovarian and prostate cancer.PREMIUM
Aspartame molecule, ball-and-stick model. Aspartame is an artificial sweetener used as a sugar substitute in diet foods and beverages. Stock Photo
Aspartame molecule, ball-and-stick model. Aspartame is an artificial sweetener used as a sugar substitute in diet foods and beverages.PREMIUM
Green fluorescent protein is a biosensor often used in molecular biology as a reporter of expression. Space-filling molecular model.
Green fluorescent protein is a biosensor often used in molecular biology as a reporter of expression. Space-filling molecular model.PREMIUM
Testosterone-binding globulin is a glycoprotein that binds to sex hormone testosterone, thereby regulating its activity and potential to enter a cell and activate its receptor.
Testosterone-binding globulin is a glycoprotein that binds to sex hormone testosterone, thereby regulating its activity and potential to enter a cell and activate its receptor.PREMIUM
Ball and stick model of a lactose molecule. Atoms are coloured according to convention (hydrogen-white, oxygen-red, carbon-grey).
Ball and stick model of a lactose molecule. Atoms are coloured according to convention (hydrogen-white, oxygen-red, carbon-grey).PREMIUM
Cortisol is a hormone released by the adrenal gland, usually in response to stress. It is important for fat, protein and carbohydrate metabolism.
Cortisol is a hormone released by the adrenal gland, usually in response to stress. It is important for fat, protein and carbohydrate metabolism.PREMIUM
Resveratrol molecule, ball and stick model. Atoms are coloured according to convention (oxygen-red, hydrogen-white, carbon-gray).
Resveratrol molecule, ball and stick model. Atoms are coloured according to convention (oxygen-red, hydrogen-white, carbon-gray).PREMIUM
Glutamate  amino acid  molecule, ball and stick model  Atoms colored according to convention
Glutamate amino acid molecule, ball and stick model Atoms colored according to convention PREMIUM
Ribbon model of reverse transcriptase protein from HIV virus, bound to its target DNA  Reverse transcriptase transcribes viral RNA to DNA in a host cell, enabling the virus to take control of its function  Stock Photo
Ribbon model of reverse transcriptase protein from HIV virus, bound to its target DNA Reverse transcriptase transcribes viral RNA to DNA in a host cell, enabling the virus to take control of its function PREMIUM
Guanine is a nucleobase found in DNA and RNA molecules  Ball and stick model, atoms coloured according to convention
Guanine is a nucleobase found in DNA and RNA molecules Ball and stick model, atoms coloured according to convention PREMIUM
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