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Coated pits

Coated pits, cell-membrane

Specialised regions of the cell membrane composed of pits coated with a bristle covering made of the protein clathrin. These pits are the entry route for macromolecules bound by cell surface receptors. The pits are then internalised into the cytoplasm to form the coated vesicles.


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Biology Calculation-is this correct?

I realised for the first question on coated pits I did need to do 4x3.14x0.05(squared) so got 2165 for how many coated pits there are :)

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by Kezzer
Thu Dec 02, 2010 10:21 pm
 
Forum: Molecular Biology
Topic: Biology Calculation-is this correct?
Replies: 5
Views: 3041

Biology Calculation-is this correct?

Hey, for the number of transferrin receptors in each coated pit I've got: 100 000 receptors, 70% localised within the coated pits so: 100 000 x 70% = 70 000 receptors in the coated pits. There are 70 000 receptors and 2165 ...

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by Kezzer
Thu Dec 02, 2010 10:19 pm
 
Forum: Molecular Biology
Topic: Biology Calculation-is this correct?
Replies: 5
Views: 3041

Biology Calculation-is this correct?

... a surface area of 3,400 micrometres². Assume that the endocyte clathrin-coated pits account for 2% of this area and that the surface area of a single coated pit is the same ...

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by Kezzer
Sun Nov 28, 2010 4:49 pm
 
Forum: Molecular Biology
Topic: Biology Calculation-is this correct?
Replies: 5
Views: 3041

Calculations

... a surface area of 3,400 μm2. Assume that the endocytic clathrin-coated pits account for 2% of this area and that the surface area of a single coated pit is the same ...

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by sweety_girl
Fri Dec 01, 2006 1:35 pm
 
Forum: Cell Biology
Topic: Calculations
Replies: 3
Views: 2697

Cell Permability

... we didnt cover, i guessed so this may be wrong == Mutant cells lacking coated pits would most likely be...? - deficient in receptor mediated endocytosis (my answer) - unable ...

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by Host
Sun Mar 19, 2006 8:33 pm
 
Forum: Cell Biology
Topic: Cell Permability
Replies: 6
Views: 20721
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