Cell Structure and Function

Which stage of the cell cycle involves DNA replication?

• G1 phase
• G2 phase
• M phase
• S phase

Which part of the chromosome initiates movement during cell division?

• Telomere
• Kinetochore
• Chromatid
• Centromere

What is the approximate length of DNA in a single human cell?

• Approximately 1 meter
• Approximately 10 meters
• Approximately 20 meters
• Approximately 2 meters

What is the role of non-histone proteins in chromatin?

• Provide energy for replication
• Degrade old DNA
• Replace histones completely
• Regulate gene activity and chromosome structure

What is the function of histones in chromatin?

• Promote DNA degradation
• Facilitate RNA translation
• Help in DNA packaging
• Inhibit DNA replication