B.5(A) Quiz 1 Cell Cycle & DNA Replication

A diagram of a process that occurs during one of the stages of the cell cycle is shown. Complete the table to best identify the process illustrated and the stage of the cell cycle in which it occurs.

e

d

Crossing Over

Protein Synthesis

Metaphase

DNA Replication

Prophase

Anaphase

Transcription

Interphase

The images show a cell in various phases of Mitosis. Reorder the images in the order of the phases they occur in.

• 
• 
• 
• 

Match the following events that occur in the different phases of the cell cycle

• DNA Replication

• Cytokinesis

• Cytoplasm Division

• S phase

• cellular growth

• G₁ phase

• Nuclear Division

• M phase

Complete the statements for the table to show the two correct steps of DNA replication. ​

Step 1: DNA Polymerase matches adenine to

​ (a)   and cytosine to ​ (b)  

Step 2: ​ (c)   are

produced

• thymine
• guanine.
• adenine
• cytosine
• uracil
• Two separate, complementary single DNA strands
• Two identical DNA double helixes

Scientists determined the total mass of DNA from a sample of animal

cells. The masses of equal numbers of cells were taken during three

diferent stages of the cell cycle. Stage I contains cells massed during

G₁ of the cell cycle. Which statement best describes the cells during Stage II?

• The cells have replicated their DNA, but have not completed mitosis

  and cytokinesis.

• The cells have completed mitosis and cytokinesis without

  replicating their DNA.

• The cells have replicated their DNA and completed mitosis

  and cytokinesis.

• The cells have temporarily exited the cell cycle without replicating

  their DNA.

• The cells have entered the G_o phase of the cell cycle