Credit: TAKE THE WIND/SCIENCE PHOTO LIBRARY

Caption: Animation of the fluid nature of a cell membrane. Cell membranes are composed of a phospholipid bilayer, that is, two layers of phospholipid molecules. Each phospholipid molecule has a hydrophobic lipid tail (black) and a hydrophilic phosphate group (orange) attached to a choline molecule (containing a blue nitrogen atom). The hydrophobic tails are attracted to each other, and repelled by the aqueous cell environment, so form a thick double layer, with the phosphate-choline groups forming the outer and inner covering of the membrane. The cell membrane also includes other large complexes, including receptors for chemicals outside the cell, and channels that permit small molecules to pass between the interior and exterior of the cell.

Release details: Model release not required. Property release not required.

Keywords: anatomical, anatomy, animated, animation, atom, atoms, bilayer, biochemical, biochemistry, biological, biology, cell biology, cell membrane, chemical, chemistry, choline, fat, fatty acid, fluid, head, heads, hydrophilic, hydrophobic, jiggling, lipid, membranes, molecular, molecule, molecules, moving, phosphate, phosphatidylcholine, phospholipid, structure, tail, tails

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Cell membrane

K003/0513 Rights Managed

Downloadable master

Duration: 00:00:03.13

Frame size: 1280x720

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 66.0M

Original

Capture format: QuickTime Animation

Codec: Animation

Please contact Science Photo Library if you require the original, or other formats.

 

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