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  1. dddd

    A question

    im sorry im not as clever as you! confused.com
  2. dddd

    A question

    sorry i dont understand any of it
  3. dddd

    A question

    A baby hamster kidney (BHK) cell has 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 of that of a 100nm diameter clathrin coated vesicle that will be formed from it. If the cell surface has 100,000 transferrin receptors, around 70% are localised within coated pits, work out the following: If a transferrin receptor has a cross-sectional area of 50 Angstroms X 100 angstroms (5x10nm), how many receptors could be accomodated in a 100nm clathrin-coated vesicle assuming that only 50% of the surface area can be occupied by proteins?
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