Question

the nuclear envelope contains the nuclear material and its structure is a ______. a double membrane with pores b single membrane with pores c solid single membrane d solid double membrane

Explanation:

To solve this, we recall the structure of the nuclear envelope. The nuclear envelope is a double - layered (double membrane) structure that has nuclear pores which allow the passage of molecules between the nucleus and the cytoplasm. Option B is incorrect as it is not a single membrane. Options C and D are incorrect because the nuclear envelope is not a solid membrane (it has pores) and also, the membrane count is wrong for these options.

Answer:

A. double membrane with pores