Biology: Chapter 10 Flashcards

A bacterial chromosome consists of:

1. a linear DNA molecule many times larger than the cell.
2. a circular DNA molecule many times larger than the cell.
3. a circular DNA molecule smaller than the cell.
4. a linear DNA molecule smaller than the cell.
5. a linear or circular DNA molecule smaller than the cell.

Eukaryotic chromosomes consist of:

1. circular DNA molecules complexed with positively charged nonhistone proteins.
2. circular DNA molecules complexed with negatively charged histone proteins.
3. linear DNA molecules complexed with positively charged histone proteins.
4. linear DNA molecules complexed with negatively charged histone proteins.
   circular DNA molecules.

Nucleosomes are best described as:

1. eukaryotic DNA associated with histone proteins.
2. prokaryotic DNA associated with nonhistone proteins.
3. eukaryotic DNA associated with nonhistone proteins.
4. prokaryotic DNA associated with histone proteins.
5. eukaryotic DNA associated with scaffolding proteins.

What is the function of nucleosomes?

1. To prevent DNA strands from tangling.
2. To help DNA replicate.
3. To make RNA synthesis possible.
4. To prevent RNA from tangling with DNA during transcription.
5. To prevent histones from tangling.