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Eddi Din [679]
3 years ago
8

Explain how the fluid mosaic model accounts for the observed properties of cellular membranes

Biology
1 answer:
Zinaida [17]3 years ago
6 0

 The mosaic nature is due to the numerous proteins that are entrenched in the phospholipids bilayer, fluctuate in shape, size and patterns in the same way as the stones or tiles of a mosaic. 


the flexibility is due to individual phospholipids molecules which can move virtual to one another and gives the membrane a flexible structure that is constantly changing shape

hope it helps

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At short focusing distances, ciliary muscles contract causing the suspensory ligaments to tighten.

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A suspensory ligament is a ligament that provides support to a body part, particularly an organ. The suspensory ligament protects the fetlock from hyperextension (i.e., falling too low) during exercise. The ligament begins in both the fore and hindlimbs at its connection to the back of the upper cannon bone.

When the ciliary muscle relaxes, its diameter increases; when the suspensory ligaments tighten, the lens becomes thinner. This occurs when concentrating on a celestial object. When the ciliary muscle contracts, the lens becomes much more circular and has more focusing power because the pressure on the zonular fibers is reduced. When the ciliary muscles relax, these fibers contract, pulling the lens out and creating a flatter shape with less focusing power 

For more information on suspensory ligaments, visit :

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