写真素材の検索結果

Sexual and asexual reproduction, illustration

Sexual and asexual reproduction, illustration

Oogenesis, illustration

Meiosis and mitosis, illustration

Chromosome duplication and condensation, illustration

DNA replication and condensation, illustration

Formation of proteins, illustration

Formation of proteins, illustration

Mitosis and meiosis, illustration

Human sperm cell diagram, illustration

Flower types, illustration

Pollen grain structure, illustration

Meiosis cell division, illustration

Spermatogenesis, illustration

Phospholipid bilayer structure, illustration

Osmosis, illustration

Plasmolysis and turgidity, illustration

Metaphase, illustration

Mendelian genetics, Punnett square

Mendelian genetics, Punnett square

Pistil structure, illustration

Meiosis phases, illustration

Meiosis phases, illustration

Condensation of DNA, illustration

Protein digestion, illustration

Protein digestion, illustration

Chromatin condensation and decondensation, illustration

Phospholipid molecule structure, illustration

Structure of mitochondria, illustration

DNA replication, illustration

Sperm cell, artwork

Ovum structure, illustration

Mitosis phases, illustration

Mitosis phases, illustration

Yeast respiration experiment, illustration

Transverse and longitudinal waves in a spring, illustration

Anaphase, illustration

Prophase, illustration

Telophase, illustration

Human sex chromosomes, illustration

Human sex chromosomes, illustration

Chromatin structure, illustration

Animal cloning process, illustration

Chlorine molecule, illustration

Fructose sugar molecule, illustration

Galactose sugar molecule, illustration

Glucose sugar molecule, illustration

Photosynthesis, illustration

Chemical quantities, illustration

Molar volume, illustration

Mole formula, illustration

Mole formula, illustration

Mole formula, illustration

Chemical quantities, illustration

Osmosis experiment, illustration

Mayan periodic table of elements, illustration

Ideal gas law, illustration

Pyruvate oxidation, illustration

Types of river transportation, illustration

Right-hand rule for coils, illustration

Earth's magnetic field and axes, illustration

Centripetal force, illustration

Electrolysis of water, illustration

Electrolysis of water, illustration

Convex and concave lenses, diagram

Electrolysis of water, illustration

Electrolysis of water, illustration

Sperm cell, artwork

Sperm cell, artwork

Chromosome and microtubules, illustration

Sucrose formation, illustration

Photosynthesis equation, illustration

Mitosis phases, illustration

Mitosis phases, illustration

Human permanent teeth, illustration

Human permanent teeth, illustration

Deoxyribose sugar molecule, illustration

Ribose sugar molecule, illustration

Sperm cell fertilising an ovum, illustration

DNA in sperm and ovum cells, illustration

Primary endosymbiosis, illustration

Primary endosymbiosis, illustration

Primary endosymbiosis, illustration

Primary endosymbiosis, illustration

Secondary endosymbiosis, illustration

Secondary endosymbiosis, illustration

Secondary endosymbiosis, illustration

Secondary endosymbiosis, illustration

Ohm's law, illustration

Aerobic respiration experiment, illustration

Equal volumes of different materials, illustration

Equal volumes of different materials, illustration

Bee pollinating a flower, artwork

Reverse osmosis, illustration

Convection current in heated water, illustration

Convection currents in a saucepan, illustration

Polycystic ovary, illustration

Elastic potential energy, illustration

Elastic potential energy in a spring, illustration

Hooke's law, illustration

States of matter, illustration

States of matter, illustration

States of matter, illustration

Light bulb efficiencies, Sankey diagrams

Wavelengths of violet and red light, illustration

Wavelengths of coloured light, illustration

Colour dispersion in a prism, illustration

Taxonomic hierarchy in biology, illustration

Monozygotic and dizygotic twins, illustration

Testicle anatomy, illustration

Testicle anatomy, illustration

Seismic P-wave propagation, illustration

Seismic P-wave propagation, illustration

Seismic S-wave propagation, illustration

Ripple tank with plane waves, illustration

Ripple tank, illustration

Ripple tank with plane and circular waves, illustration

Wavelength and amplitude, illustration

Transverse waves in a slinky spring, illustration

Longitudinal waves in a slinky spring, illustration

Transverse and longitudinal waves, illustration

Sperm deformity classification, illustration

Human sex determination, illustration

Human sex determination, illustration

Human sex determination, illustration

Human sex determination, illustration

Chromosomal mutation types, illustration

Quantum mechanics, conceptual image

Human tongue anatomy, illustration

Plant parenchyma structure, illustration

Collenchyma structure, illustration

Pressure exerted by stiletto heel and elephant's foot, illus

Pressure unit conversion table, illustration

Starch digestion, illustration

States of matter, illustration

Bromine molecule, illustration

Sodium chloride molecule, illustration

Monosaccharides, illustration

Monosaccharides, illustration

Formation of river terraces, illustration

Aerobic respiration and anaerobic fermentation, illustration

Aerobic respiration and anaerobic fermentation, illustration

Photosynthesis equation, illustration.

Centrifugal force, illustration

Centripetal force, illustration

Earth orbiting the Sun, illustration

Earth orbiting the Sun, illustration

Measuring the volume of an irregular object, illustration

Raybox, illustration

Shadow cast by a small light source, illustration

Reflection in a plane mirror, illustration

Reflection in a plane mirror, illustration

Thermal conduction in a metal, illustration

Seven forms of energy, illustration

Shadow cast by a large light source, illustration

Normal and unhealthy hearts, illustration

Germination of a pollen grain, illustration

Dihybrid cross, illustration

Dihybrid cross, illustration

Dihybrid cross, illustration

Monohybrid cross lethal gene, illustration

Sperm, illustration

Insect pollination, illustration

Insect pollination, illustration

Stamen structure, illustration

B cell and T cell interaction, illustration

Nuclear membrane pore, illustration

Cytokinesis in animal cells, illustration

Cytokinesis in plant cells, illustration

Development of throat and trachea, illustration

Sperm cells, illustration

Sperm cells, illustration

Sperm cells, illustration

Fertilisation, 19th century illustration

Metaphase in cell division, illustration

Monkey pox virus structure, illustration

Pre-RNA splicing mechanism, illustration

Ribose and deoxyribose sugar molecules, illustration

Anaerobic respiration experiment, illustration

Anaerobic respiration experiment, illustration

Earth's axial tilt and tropics, illustration

Phagocytosis, illustration

Structure of keratin, illustration

Mitosis, illustration

Ti plasmid structure, illustration

Nature vs nurture, conceptual image

Mitosis, illustration

Sperm cell, artwork

Sperm cell, artwork

El Nino, illustration

Helicopter rotor mechanisms, illustration

Male and female urinary systems, illustration

Gas diffusion, illustration

Intussusception of the intestines, illustration

Meningitis, illustration

Lung diseases and alveoli, illustration

Gastric reflux disorders, illustration

Hypothermia treatments, illustration

Japanese hop (Humulus japonica), illustration

Diffraction of waves in wide and narrow gaps, illustration