Forms the outer boundary of the nucleus

Parts of Nuclear Envelope

How are molecules exchanged between nucleus and cytoplasm?

Does the density of nuclear pores embedded in the envelope varies considerably?

Each nuclear pore consists of ___ that has ___ symmetry, appearing similar in size and architecture throughout the plant and animal kingdoms.

Family of 30 nuclear proteins

A specific amino acid sequence that is required for a protein to gain entry into the nucleus.

A distinct organelle within the nucleus that functions to assemble rRNAs.

Subdomains of Nucleolus