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A ball and stick model of Human Insulin. Isolated on black.

orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).

3D cartoon and Gaussian surface models, PDB 6vg8, white background

$The three-dimensional structure of proteins is represented in a variety of conformations. This image is based on the ribbon structure of a protein. It is suitable for biology notebooks and book covers.\nThis image has not been created by AI.$

DNA close-up, DNA Molecule Model, DNA Strands, DNA animation

DNA mutation, a mutation is a change in a DNA sequence, mutations can result from DNA copying mistakes made during cell division.

$Abs Virus - 3d rendered image like colorized scanning electron micrograph. Scene showing virus (yellow) emerging from infected cell.\nConcept of coronavirus that’s causing a global pandemic. Covid-19, Sars-cov-2 alpha, betta, gamma, delta, lambda variant, 2019-nCoV, Coronavirus.\nSEM, TEM, hologram view.$

Nucleosome structure. Structure of an oligonucleosome, showing the packaging of DNA in chromosomes. 3D illustration.

Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation

3D cartoon and Gaussian surface models, chain id color scheme, PDB 3omv, white background

Abstract Genetics Disease - 3d rendered image.

From left to right: the NMDA and AMPA receptors transport calcium cations into neurons after being activated by the neurotransmitter glutamate and the GABA receptor (right) transport chloride anions after the activation by gamma aminobutyrate. PDB entries: 6wht, 3kg2, 6d6u

This computer-generated image vividly illustrates the invasive Group A Streptococcal bacteria, as they would appear under a microscope. This visual representation helps to understand the microscopic world of Group A Streptococcus and its potential to cause serious diseases.

DNA Helix - 3d rendered image. Genetic research concept. Complex spiral structure illustration. Medical, science, genetic biotechnology, gene cell, chromosome idea. DNA strands on dark background . Science nanotechnology.

Rhodopsin (the extremely sensitive to light pigment involved in vision process) protein structure

Shiny artificial molecular structure in many colors. Horizontal composition, isolated on black background.

3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background

nanotechnology and abstract graphene structures

Immunotherapy of Alzheimer's disease: Monoclonal antibody (light blue) bound to an amyloid beta peptide (orange), that is aggregated to amyloid beta fibrils, which build up amyloid plaques.

This footage shows the translation initiation complex, which consists of the ribosomal small subunit, transfer RNA (tRNA), and translation initiation factors. The golden ribbon represents the RNA.

Biological protein and molecule, 3d rendering. 3D illustration.

A ball-and-stick plus ribbons molecular model of the hormone Orexin, also known as Hypocretin. Orexin is involved in the regulation of the sleep/wake cycle and it stimulates apetite, wakefulness and energy expenditure. It has been linked with Alzheimer's disease. Isolated on white.

in vitro fertilization on scientific background. 3d illustration

Endosomes - 3d rendered image of Endosomes are membrane-bound organelles. They are parts of endocytic membrane transport pathway. Endomembrane system in cells. Bilayer Lipid Membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.

Cyclin is a family of proteins that controls the progression of a cell through the cell cycle by activating cyclin-dependent kinase (CDK) enzymes or group of enzymes required for synthesis of cell cycle. 3D cartoon model, PDB 2i53, white background.

Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet), ampicillin (red).

Digital background depicting innovative technologies in (AI) artificial systems, neural interfaces and internet machine learning technologies

Free Images: "bestof:PDB 1rqf EBI.jpg Small proteins Rubredoxin-like Casein kinase II beta subunit Casein kinase II beta subunit Casein kinase II beta subunit EBI License 1rqf"

A-small-bundle-is-dropped-from-a-C17-Globemaster-II.jpg

Hammam,_mosquée_de_Hassan_II_(Casablanca,_Maroc).jpg

Mother_with_her_Dead_Son,_a_World_War_II_war_memorial_(Neue_Wache,_Berlin).jpg

Stroop Report - Warsaw Ghetto Uprising 06.jpg

Braconid_wasp,U,side,Md,_Prince_Georges_County_2014-04-11-10.56.54_ZS_PMax.jpg

15-07-05-Schloß-Caputh-RalfR-N3S_1712.jpg

Stroop Report - Warsaw Ghetto Uprising 06b.jpg

Spider_Unknown,_Face,_MD,_Prince_Georges_2014-03-20-16.49.17_ZS_PMax.jpg

Coelidiana_undata,_m,_brazil_2016-02-23-11.57.jpg

poland-krak%C3%B3w-airport-balice-1022532.jpg

Femme type grande Herculanaise Praxitèle archmus Heraklion.jpg

Hubble_Observes_Infant_Stars_in_Nearby_Galaxy_DVIDS727273.jpg

Andrena_ziziaformis,_M,_Face,_VA,_Giles_County_2014-01-31-17.00.50_ZS_PMax.jpg

Andrena_ziziaformis,_M,_Side,_VA,_Giles_County_2014-01-31-17.09.55_ZS_PMax.jpg

Andrena_ziziaformis,_M,_Back,_VA_Giles_County_2014-01-31-16.53.57_ZS_PMax.jpg

Coelioxoides_waltheriae,_f,_peru,_side_2014-08-09-11.10.33_ZS_PMax.jpg

Sphecodes_brachycephalus,_F,_face,_NC,_Moore_Co_2013-09-25-19.24.15_ZS_PMax.jpg

Sphecodes_brachycephalus,_F,_back,_NC,_Moore_Co_2013-09-25-19.21.30_ZS_PMax.jpg

Lasioglossum_prasinogaster,_F,_Side,_WY,_Lincoln_County_2014-04-25-14.59.11_ZS_PMax.jpg

Perdita_swenki,_M,_Face,_MI,_Alger_County_2014-03-21-15.29.09_ZS_PMax.jpg

Lasioglossum_prasinogaster,_F,_Back,_WY,_Lincoln_County_2014-04-25-14.40.33_ZS_PMax.jpg

Sphecodes_brachycephalus,_F,_side,_NC,_Moore_Co_2013-09-25-19.26.59_ZS_PMax.jpg

Rophitulus_species,_angle,_brazil_2014-08-06-09.51.24_ZS_PMax.jpg

Rophitulus_species,_face,_brazil_2014-08-06-10.08.10_ZS_PMax.jpg

centepede_2015-04-16-09.57.17_ZS_PMax.jpg

Coelioxoides_waltheriae,_f,_peru,_face_2014-08-09-10.59.51_ZS_PMax.jpg

Andrena_ziziae,_M,_Face,_VA,_Giles_County_2014-01-31-13.35.54_ZS_PMax.jpg

Andrena_ziziae,_M,_Back,_VA,_Giles_County_2014-01-31-13.26.57_ZS_PMax.jpg

Andrena_nubecula,_F,_Face_ammonia,_MD,_Anne_Arundel_County_2014-02-21-17.13.59_ZS_PMax.jpg

Perdita_bishoppi,_female,_back_2012-07-09-19.45.jpg

Perdita_bishoppi,_female,_side_2012-07-09-20.02.jpg

Hypanthidioides_arenaria,_f,_back,_brazil_2014-08-05-22.39.13_ZS_PMax.jpg

Ochreriades_fasciata,_m,_face,_israel_2014-08-06-08.44.07_ZS_PMax.jpg

Hypanthidioides_arenaria,_f,_face,_brazil_2014-08-06-06.12.01_ZS_PMax.jpg

Ochreriades_fasciata,_m,_side,_israel_2014-08-06-08.52.49_ZS_PMax.jpg

Rophitulus_species,_side,_brazil_2014-08-06-10.20.38_ZS_PMax.jpg

Lasioglossum_heterorhinum,_F,_Face,_UT,_Garfield_County_2014-05-09-17.50.19_ZS_PMax.jpg

Heriades_leavitti,_male,_underside_abdomen_2012-07-06-18.10.jpg

Andrena_arabis,_M,_Face,_NY,_Orange_Co_2013-06-07-17.49.58_ZS_PMax.jpg

Lasioglossum_glabriventre,_F,_Face1,_WY,_Lincoln_County_2014-06-20-16.15.37_ZS_PMax.jpg

Sap_Beetle_2015-04-13-21.55.11_ZS_PMax.jpg

$Heriades_leavitti,_male,_side_2012-07-06-17.56.jpg$

Coelioxoides_waltheriae,_f,_peru,_angle_2014-08-09-10.50.32_ZS_PMax.jpg

saw_whet,_foot,_dc_2014-05-05-16.32.40_ZS_PMax.jpg

Lasioglossum_prasinogaster,_F,_Face,_WY,_Lincoln_County_2014-04-25-14.44.53_ZS_PMax.jpg

Nomada_tiftonensis,_m,_back,_Minnesota_2016-04-19-13.46.jpg

Nomada_tiftonensis,_m,_side,_Minnesota_2016-04-19-14.10.jpg

Prenolepis_imparis,_jan_reese,_st_michaels,_md_face_2016-09-09-11.00.jpg

Lasioglossum_seillean,_F,_face,_New_Hampshire,_Coos_County_2015-10-15-15.34.jpg

Andrena_robertsonii,_f,_side,_Baltimore_Co,_MD_2016-04-15-19.31.jpg

Osmia_georgica,_f,_side,_Talbot_Co,_MD_2016-01-13-12.13.jpg

Andrena_robertsonii,_f,_back,_Baltimore_Co,_MD_2016-04-15-19.03.jpg

Andrena_robertsonii,_f,_face,_Baltimore_Co,_MD_2016-04-15-19.18.jpg

Lasioglossum_cressonii,_f,_face,_Maine,_Du_Clos_2015-12-01-14.08.jpg

Lasioglossum_cressonii,_f,_back,_Maine,_Du_Clos_2015-12-01-13.50.jpg

Lasioglossum_cressonii,_f,_side,_Maine,_Du_Clos_2015-12-01-14.23.jpg

Lasioglossum_inconditum,_F,_face,_WY,_Lincoln_County_2014-06-17-13.11.22_ZS_PMax.jpg

Lasioglossum_microlepoides,_F,_Face,_AZ,_Pima_County_2015-08-25-11.48.19_ZS_PMax_UDR.jpg

Lasioglossum_microlepoides,_F,_Side,_AZ,_Pima_County_2015-08-25-15.11.45_ZS_PMax_UDR.jpg

Ceratina_rectangulifera,_m,_panama,_side_2014-12-06-16.36.26_ZS_PMax.jpg

Ceratina_rectangulifera,_m,_panama,_back_2014-12-06-16.22.47_ZS_PMax.jpg

Short_tailed_shrew,_M,_Paw,_VA,_Loudon_County_2015-03-24-15.19.47_ZS_PMax.jpg

Ceratina_rectangulifera,_m,_panama,_face_2014-12-06-16.30.10_ZS_PMax.jpg

Meliturgula_haematospila,_back,_f,_south_africa_2014-08-04-19.25.29_ZS_PMax.jpg

$Meliturgula_haematospila,_face,_f,_south_africa_2014-08-04-19.37.13_ZS_PMax.jpg$

Anthidiellum_notatum,_L,_MD,_PG_County_2014-02-04-11.11.10_ZS_PMax.jpg

Nomada_parva,_Female,_Back,_Maryland,_Wicomico_County_2013-11-15-18.14.44_ZS_PMax-Recovered.jpg

Nomada_parva,_Female,_Side,_Maryland,_Wicomico_County_2013-11-15-18.27.57_ZS_PMax.jpg

Nomada_parva,_Female,_Face,_Maryland,_Wicomico_County_2013-11-15-18.19.32_ZS_PMax.jpg

Anthophora_abrupta,_M,_Side,PG_county,_MD_2014-01-30-10.33.18_ZS_PMax.jpg

bald_faced_hornet,_nest,_beltsville,_pg_county_2014-08-29-17.44.13_ZS_PMax.jpg

Ceratina_arizonensis,_side2,_ca,_santa_barbara_2015-04-20-12.16.53_ZS_PMax.jpg

Ceratina_rectangulifera,_f,_no_pin,_panama,_back_2014-12-06-14.15.14_ZS_PMax.jpg

Ceratina_nr_dentipes,_female,_side_2012-06-13-16.21.jpg

Lasioglossum_seillean,_F,_side,_New_Hampshire,_Coos_County_2015-10-13-13.40.jpg

Bombus_fraternus,_F,_face_2015-01-08-08.44.58_ZS_PMax.jpg

greensand_2015-04-10-21.01.01_ZS_PMax.jpg

fly,_md,_kent,_eastern_neck,_nwr,face_2015-05-25-14.21.32_ZS_PMax.jpg