Unit 2: Nucleus and Ribosomes

Question 1

the function of the nuclear pore complex found in eukaryotic cells

Answer 1

regulates the movement of proteins and RNAs into and out of the nucleus.

Question 2

Disruption of nuclear pore complexes in a eukaryotic cell will most likely interfere with the transport of ___ OUT of the nucleus

Answer 2

mRNA

Question 3

Disruption of nuclear pore complexes in a eukaryotic cell will most likely interfere with the transport of ___ INTO the nucleus

Answer 3

ribosomal proteins

Question 4

Examination of a cell by transmission electron microscopy reveals a high density of ribosomes in the cytoplasm. This observation suggests that the cell is actively producing large amounts of _____

Answer 4

proteins

Question 5

The nuclear lamina is an array of intermediate filaments that line the inner surface of the nuclear membrane. Disassembly of the lamina by chemical treatment would most likely result in _____

Answer 5

a change in the shape of the nucleus