Biology Quiz

In prokaryotic cells, DNA is packaged into what form?

• Linear chromosomes

• Circular chromosomes

• Multiple chromosomes

• No chromosomes

In eukaryotic cells, DNA is packaged into how many chromosomes?

• One chromosome

• Circular chromosomes

• More than one chromosome

• No chromosomes

Which phase of the eukaryotic cell cycle is responsible for DNA replication?

• G1 phase

• S phase

• G2 phase

• M phase

During which phase does cell division occur, creating new somatic cells?

• G1 phase

• S phase

• M phase

• G2 phase

What happens to chromatin during prophase?

• It dissolves

• It condenses into chromosomes

• It expands

• It disappears

What structure begins to form during prophase?

• Nucleus

• Cell membrane

• Spindle

• Ribosome

What happens during the metaphase stage of cell division?

• Chromosomes are pulled apart to opposite ends.

• Chromosomes line up in the middle of the cell.

• The cell membrane dissolves.

• The cell splits into two.

During anaphase, what occurs to the chromosomes?

• Chromosomes line up in the middle of the cell.

• Chromosomes are pulled apart to opposite ends.

• Chromosomes duplicate.

• Chromosomes disappear.

What happens during the telophase stage of cell division?

• Chromosomes align in the center of the cell.

• The cell begins to divide into two identical daughter cells.

• DNA replication occurs.

• The cell membrane pinches inward to form new cells.

What is the main event during cytokinesis?

• Chromosomes condense and become visible.

• The nuclear envelope breaks down.

• The cell membrane pinches inward to form two new identical daughter cells.

• Spindle fibers attach to chromosomes.