Explain how and why chromatin is condensed in the nucleus.

Which of the following statements correctly describes the function of the nucleolus?

a. Within the nucleolus we find genes for rRNA.

b. Nucleoli manufacture mitochondrial proteins for export to the cytosol.

c. Nucleoli assemble the nuclear envelope.

d. The nucleolus contains the genes that form the Golgi apparatus.

A collection of DNA and associated proteins in a cell defines the term:

a) Sister Chromatids.

b) Centromere.

c) Chromatin.

d) Chromosome.

Choose the option that correctly lists the following genetic material in a dividing cell from smallest to largest.

The structures labeled Y in the image below are called: