-
Artistic impression of a plasma membrane of a human cell. The plasma membrane is a bilayer composed of phopholipids in which lots of transmembrane and surface proteins reside. Its function is to separate the intracellular content
Royalty-Free Super Valor e Assinatura
-
View of a blood vessel sliced open through its wall showing the movement and flow of the blood cells and erythrocytes carrying oxygen to the tissues, part of the circulatory and cardiovascular systems
Royalty-Free Super Valor e Assinatura
-
3d illustration of a granulocyte, which are phagocytic leucocytes or white blood cells having cytoplasmic granules, showing the lobed nucleus
Royalty-Free Super Valor e Assinatura
-
Lymphocytes are white blood cells or leucocytes in the human immune system consisting of B and T cells which form antibodies for immunity and natural killer cells which fight viruses and tumours
Royalty-Free Super Valor e Assinatura
-
Illustration of a neuron or nerve cell from the central nervous sytem showing the cell body or soma, dendrites and axon which act as conductors and receptors in transmission of signals
Royalty-Free Super Valor e Assinatura
-
Illustration of a pile of biconcave red blood corpuscles or cells which contain haemoglobin and are responsible for the transport of oxygen and carbon monoxide from the lungs to the capillaries and back
Royalty-Free Super Valor e Assinatura
-
Illustration of three biconcave red blood corpuscles or cells which contain haemoglobin and are responsible for the transport of oxygen and carbon monoxide from the lungs to the capillaries and back
Royalty-Free Super Valor e Assinatura
-
3D illustration of a neural circuit with depth of field
Royalty-Free Super Valor e Assinatura
-
Normal human karyotype which is the diploid pairing of the chromosomes dependant upon their number, size, and coding and controls inherited characteristics in genetics
Royalty-Free Super Valor e Assinatura
-
Microscopic view of eosinophil granulocyte, component of the white blood cells or leukocytes of the immune system having cytoplasmic granules, showing the lobed nucleus
Royalty-Free Super Valor e Assinatura
-
schematic representation of human karyotype showing all chromosomes
Royalty-Free Super Valor e Assinatura
-
Structure of a morula, a spherical embryonic mass of blastomeres resulting from the cleavage of the fertilized ovum during reproduction which will give rise to the embryo and foetus
Royalty-Free Super Valor e Assinatura
-
Microscopic view of a basophil granulocyte, component of the white blood cells or leukocytes of the immune system having cytoplasmic granules, showing the lobed nucleus
Royalty-Free Super Valor e Assinatura
-
3d illustration of mutated abnormal tumour cells invading normal tissue and penetrating a membrane - this may be benign tumefaction, pre-malignant or malignant cancer
Royalty-Free Super Valor e Assinatura
-
A monocyte is a phagocytic white blood cell or leukocyte in the human immune system capable of the uptake of microbes and pathogens followed by digestion and destruction of this material
Royalty-Free Super Valor e Assinatura
-
Illustration showing the internal structure of the human cell with the cytoplasmic membrane, nucleus and organelles isolated on white
Royalty-Free Super Valor e Assinatura
-
3d illustration of a mestastising cancer cell from a malignant tumor crawling as it spreads through the body to infect secondary organs
Royalty-Free Super Valor e Assinatura
-
artistic impression of the highly infectious rotavirus
Royalty-Free Super Valor e Assinatura
-
3d illustration of a blood clot, thrombus or embolus with coagulated red and white blood cells, platelets and clotting factors trapped in an insoluble fibrin network in the blood vessels of the body
Royalty-Free Super Valor e Assinatura
-
A ribosome is an intracellular ribonucleoprotein organelle or particle that is the site of protein biosynthesis as it is able to translate the codons on messenger-RNA
Royalty-Free Super Valor e Assinatura
-
Adipocyte or lipidocyte fat cell used by the body to store energy in the form of triglyceride fat and responsible for obesity, weight gain and weight loss
Royalty-Free Super Valor e Assinatura
-
hepatitis B virus in close contact with human cells
Royalty-Free Super Valor e Assinatura
-
-
molecular structure of an antibody as it is found in the human body. antibodies are important in the immune response
Royalty-Free Super Valor e Assinatura
-
3d illustration depicting cell division, a process whereby a cell divides into two new daughter cells with the same genetic material during growth or reproduction
Royalty-Free Super Valor e Assinatura
-
3D illustration of a money tree with 1 dollar bills as leafs
Royalty-Free Super Valor e Assinatura
-
View of a blood vessel sliced open through its wall showing the movement and flow of the blood cells and erythrocytes carrying oxygen to the tissues, part of the circulatory and cardiovascular systems
Royalty-Free Super Valor e Assinatura
-
-
Normal human karyotype which is the diploid pairing of the chromosomes dependant upon their number, size, and coding and controls inherited characteristics in genetics
Royalty-Free Super Valor e Assinatura
-
Illustration showing the structure of a megakaryocyte, a large nucleated cell in the bone marrow which is the precursor for the production of platelets or thrombocytes
Royalty-Free Super Valor e Assinatura
-
Paired human chromosomes composed of DNA, or deoxyribonucleic acid, which contains a sequence of genes responsible for hereditary characteristics and sex
Royalty-Free Super Valor e Assinatura
-
3D cartoon of a white light switch on a metal plate
Royalty-Free Super Valor e Assinatura
-
Structure of skeletal or voluntary muscle showing a cross-section through the cylindrical multi-nucleate fibres narrowing down to the attachment point which would attach to a bone in the body
Royalty-Free Super Valor e Assinatura
-
-
3D illustration of neurons in the brain with depth of field
Royalty-Free Super Valor e Assinatura
-
schematic representation of a cloning experiment frontal view
Royalty-Free Super Valor e Assinatura
-
3D illustration of a human or animal cell in cross section
Royalty-Free Super Valor e Assinatura
-
Illustration of a neuron or nerve cell from the central nervous sytem showing the cell body or soma, dendrites and axon which act as conductors and receptors in transmission of signals
Royalty-Free Super Valor e Assinatura
-
Restriction enzyme is an enzyme produced by bacteria as a defence against viral infection that catalyzes the cutting of DNA at specific sites to produce discrete fragments
Royalty-Free Super Valor e Assinatura
-
Illustration showing the structure of the rhinovirus which is a member of the picornaviruses which causes diseases of the respiratory tract like the common seasonal cold
Royalty-Free Super Valor e Assinatura
-
3d illustration of the structure of a DNA or deoxyribonucleic acid showing the coiled double strand helix of polynucleotides, the sequence being responsible for hereditary characteristics in genetics
Royalty-Free Super Valor e Assinatura
-
3D illustration of neurons in the brain with depth of field
Royalty-Free Super Valor e Assinatura
-
3D cartoon illustrating the growth of a money tree with 100 euro leafs
Royalty-Free Super Valor e Assinatura
-
3D illustration of an isolated clothespin on a white background
Royalty-Free Super Valor e Assinatura
-
-
-
top view of a cross section through a mitochondrium
Royalty-Free Super Valor e Assinatura
-
-
3D illustration of mitochondria, the energy providers of a eukaryotic cell
Royalty-Free Super Valor e Assinatura
-
3D cartoon illustrating a money tree with 100 euro bills as leafs
Royalty-Free Super Valor e Assinatura
-
-
3D illustration of a colony of bacteria with depth of field
Royalty-Free Super Valor e Assinatura
-
3D illustration of a light switch in frontal view
Royalty-Free Super Valor e Assinatura
-
-
-
3d illustration of an isolated white and metal zipper
Royalty-Free Super Valor e Assinatura
-
Cartoon illustrating male sperm cells fertilizing a female egg
Royalty-Free Super Valor e Assinatura
-
3D illustration of three envelopes hanging on a clothesline
Royalty-Free Super Valor e Assinatura
-
3D illustration of an evelope hanging on a clothesline
Royalty-Free Super Valor e Assinatura
-
artistic illustration of red and white blood cells in a blood vessel
Royalty-Free Super Valor e Assinatura
-
3D cartoon illustrating the red blood cell flow in a vessel
Royalty-Free Super Valor e Assinatura
-
3D cartoon of red blood cells in a vein or artery
Royalty-Free Super Valor e Assinatura
-
-
3D illustration of a helium atom with electrons around the nucleus
Royalty-Free Super Valor e Assinatura
-
3D illustration of five clothespins on a white clothesline
Royalty-Free Super Valor e Assinatura
-
-
-
3D cartoon illustrating a drop of water with molecules inside
Royalty-Free Super Valor e Assinatura
-
The United States of America filled with ocean water
Royalty-Free Super Valor e Assinatura
-
3D illustration of a colony of bacteria with depth of field
Royalty-Free Super Valor e Assinatura
-
3D cartoon representing a hand with a halo of stars
Royalty-Free Super Valor e Assinatura
-
3d illustration of an isolated white and metal zipper
Royalty-Free Super Valor e Assinatura
-
3D cartoon illustrating toothache with a red halo
Royalty-Free Super Valor e Assinatura
-
3D cartoon illustrating toothache with a red halo
Royalty-Free Super Valor e Assinatura
-
artistic impression of a bacterium isolated on white
Royalty-Free Super Valor e Assinatura
-
-
Black science background with a DNA strand, ideal for science presentations
Royalty-Free Super Valor e Assinatura
-
cartoon representing a group of the female reproductive cells (oocytes)
Royalty-Free Super Valor e Assinatura
-
3D illustration of an in vitro cloning assay frontal view
Royalty-Free Super Valor e Assinatura
-
-
Illustration of a green road sign in the dessert that points to green land or oasis
Royalty-Free Super Valor e Assinatura
-
-
-
-
3d illustration of a swimming sperm , male gamete, male reproductive cell or spermatozoon with a head and flagellum isolated on white
Royalty-Free Super Valor e Assinatura
-
3d illustration of a swimming sperm , male gamete, male reproductive cell or spermatozoon with a head and flagellum isolated on white
Royalty-Free Super Valor e Assinatura
-
Structure of a caffeine molecule a naturally occuring psychoactive drug found in coffee, tea and verba with pharmaceutical and medicinal properties
Royalty-Free Super Valor e Assinatura
-
Diagram showing the sequential phases of the Cell Cycle, or cell-division cycle, during which an eukaryotic cell duplicates and replicates itself by division into daughter cells
Royalty-Free Super Valor e Assinatura
-
Diagram showing the sequential phases of the Cell Cycle, or cell-division cycle, during which an eukaryotic cell duplicates and replicates itself by division into daughter cells
Royalty-Free Super Valor e Assinatura
-
Structure of a nucleosome which are the repeating subunits of chromatin seen as beads on a DNA strand under the electronmicroscope and which consist of a DNA chain coiled around a core of histones
Royalty-Free Super Valor e Assinatura
