Biology Fundamentals Quiz

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Questions and Answers

What unifying theme in biology explains the unity and diversity of life?

  • Evolution (correct)
  • Energy processing
  • Internal environment regulation
  • Cellular structure

What allows organisms to move, grow, and reproduce?

  • Genetic encoding
  • Energy processing (correct)
  • Internal environment regulation
  • Cellular structure

What is the primary function of genes in organisms?

  • Regulating internal environments
  • Processing hereditary information (correct)
  • Facilitating energy processing
  • Determining cellular structure

At what level of organization do biologists study the molecular biology of a cell?

<p>Cellular level (B)</p> Signup and view all the answers

Which organisms emerged more than 3.7 billion years ago?

<p>Prokaryotic organisms (B)</p> Signup and view all the answers

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

<p>Interphase (C)</p> Signup and view all the answers

In eukaryotic cells, what are the two main stages of the cell cycle?

<p>Interphase and mitosis (C)</p> Signup and view all the answers

What are the control mechanisms that determine if a cell can progress to the next phase of the cell cycle called?

<p>Cell cycle checkpoints (C)</p> Signup and view all the answers

In cells without nuclei, such as prokaryotes, how is the cell cycle divided?

<p>B, C, and D periods (D)</p> Signup and view all the answers

What occurs during the C period in prokaryotic cell division?

<p>DNA replication (D)</p> Signup and view all the answers

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