Home
Class 11
BIOLOGY
At a number of places the nuclear envelo...

At a number of places the nuclear envelope is interrupted by minute (A)____ which are formed by the (B)_____ of its two membranes.

Text Solution

Verified by Experts

The correct Answer is:
A-pores, B-fusion.
Promotional Banner

Similar Questions

Explore conceptually related problems

At certain places, the nuclear envelope is interrupted by the presence of nuclear pores which are enclosed by cir- cular structures called as

Two membrane envelope is found in

In members of which kingdom, nuclear membrane is absent ?

Read the statements below regarding the nucleus of a cell. Identify them as true or false and select the correct combination option. I. The nucleus displays an elaborate nucleoprotein fiber called chromatin during the interphase of the cell cycle. II. The space between the parallel membranes of the nuclear envelope is called the nucleoplasm. III. Nucleus was discovered first by Flemming. IV. The nuclear pores within the nuclear envelope are formed by the fusion of both membranes. {:("No.",I,II,III,IV),(1,"True","True","False","False"),(2,"True","False","False","False"),(3,"True","True","False","False"),(4,"True","False","False","True"):}

Assertion (A): Plasma membrane contains bimolecular lipid layer, the surface of which is interrupted by proteins Reason (R): Selective permeability of plasma membrane is explained with the help of fluid mosaic model.

Space between the two membranes of nuclear envelope is called

Read the assertion and reason carefully to mark the correct option in question. Assertion: The nuclear pores are the passages through which movement RNA and protein molecules take place in both directions between the cytoplasm and nucleoplasm. Reason: Nuclear pores are formed by the fusion of two membranes of nucleus.

Give two functions of nuclear membrane.

The nucleus is a significant organelle found in the cell. Read the following statements about the nucleus and select the option that correctly determines the number of false statements. (i) The nuclear envelope consists of two parallel membranes having space between them called pericentriolar space. (ii) The outer membrane of the nucleus usually remains continuous with the Golgi apparatus. (iii) The nuclear matrix or the nucleoplasm contains nucleolus and chromatin. (iv) Larger and more numerous nucleoli are present in cells actively carrying out lipid synthesis

How is nuclear size related to its mass number?