Dictionary » R » Rigidity



Stiffness or inflexibility, chiefly that which is abnormal or morbid, rigor.

Origin: L. Rigiditas, rigidus = stiff

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Re: how to memorize the amino acid

... The sequence of the amino acids decide the three dimensional fold of the protein. The sequence of amino acid also defines the flexibility or rigidity of an protein. This structural property crucial to the protein functions. There are 20 commonly occurring amino acids in nature. A protein ...

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by JohnMessick
Mon Feb 20, 2012 11:19 am
Forum: General Discussion
Topic: how to memorize the amino acid
Replies: 4
Views: 7185

Denaturation and refolding of an enzyme

... participates in enzymatic reactions and act as nucleophile. Cysteine residues play a valuable role by crosslinking proteins, which increases the rigidity of proteins and also functions to confer proteolytic resistance. Can you help me please?

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by enzsel
Thu Dec 02, 2010 1:54 pm
Forum: Cell Biology
Topic: Denaturation and refolding of an enzyme
Replies: 3
Views: 4123

Membrane Structure

... structure not possible. With two of them held together by the glyceride molecule, it does the opposite in that it gives the cell membrane more rigidity than just a single tail would, plus the single phosphate on the top would have more room and not repel the other phosphates from the neighboring ...

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by kolean
Tue Mar 30, 2010 2:44 am
Forum: Cell Biology
Topic: Membrane Structure
Replies: 4
Views: 2647

Ferns and their life cycle

... asking some questions straight out of a book. As for the second part though, because the lignin is what gives the cell walls of the plants their rigidity, thus causing them to be able to hold more weight on itself. And if you can't figure it out, taller plants have more access to sunlight, therefore ...

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by EronJonson
Fri Feb 26, 2010 2:20 am
Forum: Botany Discussion
Topic: Ferns and their life cycle
Replies: 7
Views: 9404

Re: Big bang and Evoluion

... are the planets* nearby. (*They are being classified as planets according to our modern technology. They may not be the real case because of the rigidity of technology.) When their life cycles come to an end, no living organisms (including microorganisms) exist. The regeneration of a planet cannot ...

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by kk23wong
Sun Sep 20, 2009 12:50 pm
Forum: Evolution
Topic: Big bang and Evoluion
Replies: 75
Views: 73019
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