It could be the head chef in a kitchen. They regulate what goes out of the kitchen.
No, they do not.
Nuclear is an adjective. It has no appearance.
Splitting is Nuclear Fission. e.g nuclear reactors. Joining is Nuclear Fusion. e.g stars like the sun.
no difference
Nuclear reactions like nuclear power plants ^_~
Nuclear pores allow molecules in and out
The analogy of a nuclear pore is that if it were a factory, the nuclear pore is like the wall around the manager's office. These walls contain all plans that tell the workers in the cytoplasm what to make and the quantity it should make.
pores
It's pretty much a pore in a nucleus.
nuclear pore.
Nuclear Pore
0.1 micron
DNA is cause of nuclear pore (hole between two nuclear membrane) appearance. The single-stranded DNA located in pore annulus initiate nucleoporins assembly building native structure of pore complex ( please see details in Kuvichkin V.V., 2011, J. Membr. Biol. v. 241(3), pp.109-116).
nuclear pore :D
The nuclear PORE membrane
Small holes in the nuclear membrane of a cell's nucleus, which allow the transportation of water solluable materials in and out of the nucleus through the nuclear membrane.
Some 30 nano metres