What is the primary function of DNA within a cell?

• Energy production

• Cellular communication

• Storage and transmission of genetic information

• Waste elimination

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which scientist's rule states that in DNA the amount of adenine equals the amount of thymine, and the amount of cytosine equals the amount of guanine?

• Mendel's rule

• Chargaff's rule

• Darwin's rule

• Watson's rule

During which phase of the cell cycle does DNA replication occur?

• G1 phase

• S phase

• M phase

• Interphase

What is the main role of helicase in DNA replication?

• Joining nucleotides together

• Proofreading DNA strands

• Unwinding the DNA double helix

• Forming hydrogen bonds

Which type of DNA replication results in two daughter strands, each containing one original parent strand and one newly synthesized strand?

• Conservative replication

• Semi-conservative replication

• Dispersive replication

• Absent replication

What process immediately follows DNA replication in the cell cycle?

• Translation

• Transcription

• Protein synthesis

• Mitosis

Tags

NGSS.HS-LS1-4

In which phase of the cell cycle does the cell grow, carry out its normal functions, and prepare to replicate DNA?

• G1 phase

• S phase

• M phase

• G2 phase

Which enzyme is responsible for synthesizing new DNA strands by adding nucleotides during replication?

• Helicase

• Polymerase

• Ligase

• Primase

What is the purpose of cytokinesis in the cell cycle?

• Replicating DNA

• Dividing the cytoplasm and organelles between two daughter cells

• Ensuring accurate protein synthesis

• Initiating mitosis

How is cancer related to the cell cycle?

• Cancer causes the cell cycle to stop

• Cancer accelerates the cell cycle uncontrollably

• Cancer prevents DNA replication

• Cancer only affects the G1 phase

Tags

NGSS.HS-LS1-4