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Biology Education

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155 fotos stock, vetores e ilustrações por Biology Education.

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Water molecules joined by a hydrogen bond Ilustração Stock

mammalian closed double circulatory system Ilustração Stock

Fish single circulatory system to show gill circulation, system circulation and two chambered heart. Ilustração Stock

2D water molecule structure with charges Ilustração Stock

Amphibian circulatory system to show three-chambered heart. Ilustração Stock

Triglyceride structure. Fatty acids have 20, 16 and 18 carbons. one fatty acid is unsaturated with one double bond. Ilustração Stock

Oscilloscope trace of the change in membrane potential of a neurone. The trace has the ion channels position where they cause a change in voltage. no labelling or description. Ilustração Stock

comparison of a closed and open circulatory system Ilustração Stock

triglyceride structure. fatty acids are skeleton structure. the fatty acids have 20, 16 and 18 carbons. oleic acids is unsaturated and has a kink in the hydrocarbon chain. Ilustração Stock

Mass flow hypothesis of phloem transport Ilustração Stock

Potometer with leafy shoot, ruler and stand. Ilustração Stock

Cross Section of insect open circulatory system to show haemocoel, ostia, heart and haemolymph. Ilustração Stock

Columnar epithelial cells with and without cilia. Goblet cells with and without cilia. Columnar epithelial tissue with and with out cilia. straight and curved epithelial tissue. Ilustração Stock

Glycogen. Polysaccharide highly branched structure Ilustração Stock

fluid mosaic model of the cell membrane. image shows phospholipid bilayer, cholesterol, carrier protein, channel protein, phospholipid, glycoprotein, and extrinsic protein. Ilustração Stock

Structure of xylem vessel secondary thickening with lignin. thickening shown is annular, spiral and reticulate. Ilustração Stock

Electronegativity and the formation of a dipole in a polar molecule Ilustração Stock

Longitudinal section of structure of phloem vessel and companion cells. Ilustração Stock

Summary of aerobic respiration. Reactions of Glycolysis, Link reaction, Krebs cycle and the electron transport chain are shown a key terminology table also shown Ilustração Stock

Oxygen dissociation curve showing 3d rendering red blood cells in varying colours from blue to red to show degrees of oxygenation of haemoglobin Ilustração Stock

Amylopectin structure. polysaccharide made of amylose and amylopectin Ilustração Stock

Three images showing how the resting potential, action potential and repolarization occur in a neurone. No labelling or description of events. Ilustração Stock

Protein synthesis and transport of protein through the cell via rough endoplasmic reticulum and the Golgi body to be secreted from the cell. Ilustração Stock

Photosynthometer. Pondweed producing oxygen bubbles that enter capillary tube and moves bubble so to calculate rate of photosynthesis. Ilustração Stock

Benedict's test colour change from blue, green, yellow, orange and brick red. Ilustração Stock

Liposome. Circular bilayer cut away to show interior Ilustração Stock

Oxygen dissociation curve with no labelling. Ilustração Stock

Inside of human ovary to show the development of the follicles, ovulation and the corpus luteum. The image is unlabelled. Ilustração Stock

Graafian follicle. Image shows antrum, follicle cells, secondary oocyte, zona pellucida, corona radiata and theca. Ilustração Stock

hormonal control of milk production and ejection. Several milk glands link to milk ducts and milk pouch in the breast. Hypothalamus and pituitary gland show release of prolactin and oxytocin. Ilustração Stock

Annotated Diagram showing the formation of maltose. Ilustração Stock

Hydra to show nerve net Ilustração Stock

beta glucose ring structure. monosaccharides. Ilustração Stock

Columnar epithelial cells with and without cilia. Goblet cells with and without cilia. Columnar epithelial tissue with and with out cilia. straight and curved epithelial tissue. Ilustração Stock

Sarcomere to show I ban, A band, H zone, myosin, actin, Z line and M line. Both relaxed and contracted sarcomere images. Ilustração Stock

Diagrams showing the function of a chemical synapse. No labelling. Ilustração Stock

Formation of a dipeptide using two general amino acids. Condensation reaction occurs to form a peptide bond. full description of the process give. Ilustração Stock

Rough endoplasmic reticulum to show interconnected cisternae, ribosomes and nucleus. Ilustração Stock

Arachidic acid fatty acid. 20 carbon hydrocarbon chain with all carbon-carbon single bonds. hydrocarbon chain and carboxyl group coloured with key. Ilustração Stock

Menstrual cycle. two graphs one showing change in FSH and LH the other progesterone and oestrogen. The follicular and luteal stages are shown as is the endometrium. Ilustração Stock

Columnar epithelial cells with and without cilia. Goblet cells with and without cilia. Columnar epithelial tissue with and with out cilia. straight and curved epithelial tissue. Ilustração Stock

3D illustration of a liposome Ilustração Stock

Structure of a protein to show disulphide bonds and amino acid sequence as coloured circles. N and C terminal are shown in chemical detail. Key included. Ilustração Stock

Phospholipid structure with arachidic acid, oleic acid and phosphate group in full chemical detail. Ilustração Stock

Phospholipid Bilayer made of phospholipids. Ilustração Stock

Columnar epithelial cells with and without cilia. Goblet cells with and without cilia. Columnar epithelial tissue with and with out cilia. straight and curved epithelial tissue. Ilustração Stock

Oxygen dissociation curve showing lungs and respiring tissue. loading and unloading tension are shown Ilustração Stock

amylose coil structure. Starch structure Ilustração Stock

Lactose disaccharide. glucose and galactose joined by a 1, 4 glycosidic bond. Ilustração Stock

Cell cleavage. The image shows 4 divisions of the zygote and a blastocyst. The blastocyst has the inner cell mass and trophoblast layers. Ilustração Stock

Rough Endoplasmic Reticulum with a slight curvature, ribosomes and interconnected cisternae. No nucleus. Ilustração Stock

a summary of antigenic drift in RNA viruses. images of viruses show altered genetic code resulting in three different antigenic types with different shaped antigens. Ilustração Stock

Structure of the earthworm body wall to show epidermis, cuticle, columnar cells, goblet cells, mucus, capillaries and fibrous network. Ilustração Stock

Structure of phloem tissue to show: companion cells, parenchyma cells and sieve tube elements. Ilustração Stock

Plant cells to show plasmodesmata, vacuole, cell wall, cell membrane, nucleus and chloroplasts Ilustração Stock

Condensation and hydrolysis reactions in DNA. DNA ligase and EcoR1 were used to demonstrate these reactions. Ilustração Stock

oleic acid fatty acid. colour image to show hydrocarbon chain, carboxyl group, carbon-carbon double bond, carbon-carbon single bond and carbon-hydrogen bond Ilustração Stock

Summary of a population and its gene pool. Ilustração Stock

Secondary Oocyte. Female egg cell. Structures present are zona pellucida, corona radiata, vitelline layer, chromosomes and polar body. Ilustração Stock

Evidence for the fluid mosaic model of cell membrane structure. fusion of human and mouse cells to form a hybrid cell to show different coloured protein become evenly distributed. Ilustração Stock

3D rendering of a red blood cell. Ilustração Stock

Phospholipid structure in chemical detail. fatty acids shown as a skeletal structure. fatty acids have 20 and 16 carbons. Ilustração Stock

3D structure of a water molecule Ilustração Stock

Columnar epithelial cells with and without cilia. Goblet cells with and without cilia. Columnar epithelial tissue with and with out cilia. straight and curved epithelial tissue. Ilustração Stock

Golgi Body with secretory vesicles Ilustração Stock

beta glucose ring structure. monosaccharides. Ilustração Stock

Columnar epithelial cells with and without cilia. Goblet cells with and without cilia. Columnar epithelial tissue with and with out cilia. straight and curved epithelial tissue. Ilustração Stock

Columnar epithelial cells with and without cilia. Goblet cells with and without cilia. Columnar epithelial tissue with and with out cilia. straight and curved epithelial tissue. Ilustração Stock

Cell cycle pie chart. chart shows interphase split into G1, G2 and S phase. Mitosis section split into prophase metaphase, anaphase, telophase and cytokinesis. Ilustração Stock

Pancreatic cell showing the synthesis, transport and secretion of a protein. The nucleus, rough endoplasmic reticulum, Golgi body, and mitochondria are shown. Ilustração Stock

Structure of the lung alveoli form a mammal to shows: squamous epithelium, endothelium, surfactant cells, macrophages and red blood cells. Ilustração Stock

Plant cell middle lamella joining two plant cells together. Ilustração Stock

unsaturated phospholipid simple structure. One fatty acid chain has a kink, phosphate group and glycerol represented as a circle. Ilustração Stock

Columnar epithelial cells with and without cilia. Goblet cells with and without cilia. Columnar epithelial tissue with and with out cilia. straight and curved epithelial tissue. Ilustração Stock

Hydrogen bonds formed between oxygen and hydrogen. Ilustração Stock

Chloroplast structure showing thylakoids, granum, starch grain, ribosomes, lipid droplets and DNA. Ilustração Stock

ATP Synthase. The enzyme that makes ATP. Ilustração Stock

Phospholipid Bilayer made of phospholipids. Ilustração Stock

Phospholipid bilayer. no cholesterol or proteins. Ilustração Stock

Columnar epithelial cells with and without cilia. Goblet cells with and without cilia. Columnar epithelial tissue with and with out cilia. straight and curved epithelial tissue. Ilustração Stock

The Krebs cycle. Main intermediates shown as circles which represent number of carbons. Decarboxylation, dehydrogenation and substrate level phosphorylation shown. Ilustração Stock

Krebs Cycle. Main intermediates shown as carbon numbers. Decarboxylation, dehydrogenation and substrate level phosphorylation shown. Ilustração Stock

Nephron unlabelled. glomerulus and afferent and efferent arteriole shown. Ilustração Stock

Proton gradient in the mitochondria.Both outer and inner mitochondrial membranes shown with protons in the inter membrane space.Inner membrane shows proton pumps, electron carriers and ATP synthase Ilustração Stock

Krebs cycle shown in the matrix of the mitochondria. Ilustração Stock

Kidney. Image shows two kidneys with internal structures shown. Ureters are shown connecting to the bladder. Unlabelled. Ilustração Stock

Kidney. Image shows two kidneys with internal structures shown. Ureters are shown connecting to the bladder. The aorta, vena cava and renal artery and renal vein are shown. Image is unlabelled. Ilustração Stock

Phosphorylation of glucose to form glucose bisphosphate. image shows the diffusion of glucose into the cell and ATP being used to add phosphate to glucose. Ilustração Stock

Summary of aerobic respiration. Glycolysis, link reaction and kerbs cycle shown. Ilustração Stock

action of dehydrogenase enzyme. image shown triose phosphate being dehydrogenated with NAD acting as the hydrogen acceptor. Ilustração Stock

Nephron fully labelled in colour Ilustração Stock

Kidney. Image shows two kidneys with internal structures shown. Ureters are shown connecting to the bladder. The aorta, vena cava and renal artery and renal vein are shown. Image is labelled. Ilustração Stock

Nephron. regions are in different colours with a key to show the names of the regions Ilustração Stock

Mitochondria to show the electron transport chain. Inner mitochondrial membrane shows: proton pumps, electron carries and ATP synthetase. Image is labelled. Ilustração Stock

Glycolysis. Showing formation of glucose phosphate, glucose bisphosphate, triose phosphate, pyruvate, ATP and NADH2. Ilustração Stock

Mitochondria showing the electron transport chain. the inner mitochondrial membrane shows: proton pumps, electron carries and ATP Synthetase. Key gives names of these structures. Ilustração Stock

The link reaction. Pyruvate shown as 3 circles diffusing into the matrix. decarboxylation and decarboxylation is shown. Acetate shown as two circles being coveted to acetyl Co enzyme A Ilustração Stock

Kidney vector coloured and unlabelled. shows cortex and medulla regions. renal pyramids, renal pelvis and ureter are shown. Ilustração Stock

Kidney. Image shows two kidneys with internal structures shown. Ureters are shown connecting to the bladder. Image is labelled. Ilustração Stock

Glycolysis showing intermediates as circles which represent the number of carbons. Ilustração Stock

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