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Dictionary » N » Nonpolar

Nonpolar

Definition

adjective

(physics) Not containing a dipole; lacking a permanently dipolar molecule.

(chemistry) Pertaining to a compound that is nonionic or does not dissociate into ions.


Supplement

Examples of nonpolar compounds are fats and oil. Many nonpolar compounds are hydrophobic. They do not readily dissolve in water but they do in a nonpolar solvent.


Word origin: L nōn-, not + polar.

Related forms: nonpolarity (noun).
Related terms:

Compare: polar.


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Definition of amphipathic

not necessarily ends. You have polar and nonpolar domain

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by MrMistery
Sun Apr 26, 2009 3:16 pm
 
Forum: Cell Biology
Topic: Definition of amphipathic
Replies: 2
Views: 248

Integral proteins

... about. You have multiple types. Pumps, channels, etc. Do you have any particular integral protein in mind. You can protein sequence it and see the nonpolar regions.

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by Inuyasha
Mon Apr 20, 2009 5:31 am
 
Forum: Molecular Biology
Topic: Integral proteins
Replies: 2
Views: 283

Integral proteins

Note: This is not a homework question. I am just trying to understand the mechanism of integral proteins. Question: We know integral proteins have nonpolar regions inside. But are integral proteins like channels (which have a tunnel inside) or are they like pumps or are they not hollow and cannot ...

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by thewax
Mon Apr 20, 2009 3:16 am
 
Forum: Molecular Biology
Topic: Integral proteins
Replies: 2
Views: 283

Facilitated Diffuion question

... a big upcoming test. Question: Does Facilitated diffusion require a hydrophilic channel?????????? If so, then how are large hydrophobic (meaning nonpolar) molecules going to diffuse in (because they are large molecules, they cannot use simple diffusion to diffuse through the plasma membrane)?????????? ...

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by thewax
Fri Dec 26, 2008 1:29 am
 
Forum: Cell Biology
Topic: Facilitated Diffuion question
Replies: 2
Views: 455

Finding the net charge of amino acid

NH3+---KAPRM---COO- K=Lysine has a charged R group A=ALanine nonpolar so not charged P=Proline (nonpolar) so not charged R=Arginine R group positive) M=nonpolar using this formula log[COO-]\[COOH]=pH-pK or log[NH2]\[NH3+]=pH-PK the alpha amino group has ...

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by nic852
Thu Oct 02, 2008 2:51 am
 
Forum: Molecular Biology
Topic: Finding the net charge of amino acid
Replies: 15
Views: 6630
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