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photoshop1234 [79]
3 years ago
8

What is an advantage of using a phase contrast microscope over electron microscopes.

Biology
1 answer:
Naddika [18.5K]3 years ago
5 0

Answer:

an advantage is living cells can be examined in their natural state without previously being killed, fixed, and stained

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Structural proteins that typically assemble into large cables or threads, to provide mechanical support to cells or organisms ar
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Fibrous

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Proteins are assembled according to their functions. Fibrous proteins usually provide protection and support to cells. They are made up of polypeptides that have elongated shape and assembles in large cables or threads. These proteins are differentiated from globular proteins by their globular form and repeated units of amino acids.

For example the fibrous proteins involved in horns, hair and nails is alpha-keratin.  Elastin found in skin and ligament is also a fibrous protein. Collagen includes collagen fibrils that have tensile strength of steel is also a fibrous protein found in cartilages and bones.

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