Introduction to DNA and Cell Structure
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Questions and Answers

What term is used to describe the sum of all chemical processes including digestion and absorption in living organisms?

  • Anabolism
  • Metabolism (correct)
  • Catabolism
  • Thermogenesis

In multicellular organisms, how are cells organized based on their function?

  • Cells 🡪 organelles
  • Cells 🡪 organs
  • Cells 🡪 animals
  • Cells 🡪 tissues (correct)

Which type of reaction involves combining smaller, simpler molecules into larger, more complex substances?

  • Thermogenesis
  • Metabolism
  • Catabolism
  • Anabolism (correct)

What is the primary purpose of anabolic processes in living organisms?

<p>Build organs and tissues (B)</p> Signup and view all the answers

According to the first law of thermodynamics, what happens to energy in living organisms?

<p>Energy can only change form, not be created or destroyed (D)</p> Signup and view all the answers

What is the main function of metabolism in living organisms?

<p>To build and maintain body structures (D)</p> Signup and view all the answers

What is the function of a gene?

<p>Determine a trait (C)</p> Signup and view all the answers

How many chromosomes do humans have?

<p>46 (B)</p> Signup and view all the answers

What is unique about somatic cells?

<p>They are any cell of the body except sperm and egg cells (B)</p> Signup and view all the answers

What is the function of an organ in the body?

<p>Performs specific physiological functions (D)</p> Signup and view all the answers

What is the primary function of an organ system?

<p>Performs major functions or meets physiological needs of the body (C)</p> Signup and view all the answers

Which of the following is definitive of human life according to the text?

<p>Organization and metabolism (B)</p> Signup and view all the answers

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