Biology animations

Diffusion animation These two animations show the basic process of diffusion across a plasma membrane (the vertical blue and orange structure). Both versions start with a concentration difference across the plasma membrane and proceeds to equilibrium

Diffusion Simulation Diffusion Simulation

Diffusion Simulator demonstrating the processes of Diffusion, by Johannes Kottonau, PhD

Double fertilization animation Double fertilization animation, Flowering plants undergo an unusual reproductive process in which there are two fertilization events, rather than just one

Embryology

Leaf structure

Life Cycle of a Moss

Membrane Potential Membrane Potential

Membrane transport Membrane transport animation

Membrane transport

Mitochondria and chloroplasts

Mitochondrion oxidativephosphorylation, electron transport, NADH, NAD, oxidation and reduction

Mitochondria Animation of Electron transport in Mitochondria

Mitochondrion

Moss: life cycle of a moss animation

Osmosis

Osmosis Osmosis: the movement of water molecules from an area of high concentration to an area of low concentration

Osmosis demonstration Osmosis is the diffusion of water down its concentration gradient

Osmosis Simulator demonstrating the processes of Osmosis, by Johannes Kottonau, PhD

Oxidative phosphorylation in the mitochondria animations of oxidative phosphorylation, NADH, FADH, Electron transport chain, ATP, Mitochondria, most of the ATP (Adenosine triphosphate) of Cell is produced in the Mitochondria. This a complex and multi-step process. The following is an attempt to step through this process

Pea plant An interactive pea experiment where you can breed your own hybrid pea plants! It's based on the work of Gregor Mendel, the father of genetics

PHOTOSYNTHESIS - AUTOTROPHIC METABOLISM

Photosynthesis

Photosynthesis Photosynthesis animation

Photosynthesis

Photosynthesis light reactions

Photosynthesis animations presentation covering processes of photosynthesis immediately upon absorption of light - the so called light reactions - taking place in photosynthetic membranes

Plants-In-Motion Germination, Photomorphogenesis, Tropisms, Nastic Movements, Circadian Responses, General Growth, Flowers, Cellular Responses, The QuickTime plug-in is available for free at http://www.apple.com/quicktime/win.html

Plant life cycles zygotes, sporophytes, spores, gametophytes, gametes

Plants: virtual plants computer simulations of the structural development and growth of individual plants in 3D space

Plants: virtual plants animations

Selectively permeable membranes (diffusion)

Sodium/potassium pump The sodium/potassium pump is a good example of active transport of molecules across a membrane

Sucrose transport during photosynthesis, glucose is produced. Before it is transported it is converted to sucrose

Sugar transport in plants

Transpiration water movement through plants

Horizontaal

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