The cell cycle is a series of events that must occur in a specific order to faci

Question

The cell cycle is a series of events that must occur in a specific order to facilitate cell division. Bacterial cells, archaeal cells, and even some eukaryotic organelles (mitochondria and chloroplasts) reproduce via a process called binary fission whereby one cell splits to become two identical daughter cells. In eukaryotes, the cell cycle is divided into three phases: interphase, (M)-phase and cytokinesis. Each phase occurs for a specific reason. In the space below draw in the missing phases of the eukaryotic cell cycle, and write a short description of what occurs during each phase. Which part of the cell cycle (interphase, (M)-phase and cytokinesis) is the cell in the longest? If you picked a cell at random from a culture of actively dividing yeast cells, which part of the cell cycle (interphase, (M)-phase and cytokinesis) would this cell most likely be in? Why?

Explanation / Answer

Answer:

1. S phase is missing in the drawing.

G1 phase: Cell becomes larger size, organelles replicate.

S phase: DNA replication takes place

G2 phase: Proteins are synthesized for mitotic phase

M phase: Nuclear division takes place

Cytokinesis: Cytoplasma is divided thereby dividing a cell into two (mitosis) or four halves (meiosis)

2). Interphase is the longest phase

3). As the interphase is the longest phase, most of the cells likely be in the interphase.

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