Nuclear envelope permeability

Authors:
  • PPPhilip L. Paine
    Philip L. Paine
  • LMLeonard C. Moore
    Leonard C. Moore
  • SHSamuel B. Horowitz
    Samuel B. Horowitz

Abstract
The permeability of the amphibian oocyte nuclear envelope in situ has been determined for three tritiated dextrans. The envelope is a sieve, restricting molecular movement between the cytoplasm and nucleus. The patent radius of its pores is about 45å.

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