Microbial Metabolism Energy and Types of Work Quiz

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Questions and Answers

Which type of work involves changes in the physical location of organisms, cells, and structures?

  • Light work
  • Transport work
  • Chemical work
  • Mechanical work (correct)

What is the ultimate source of energy for plants, algae, and bacteria?

  • Light (correct)
  • Heat
  • Moving objects
  • Electricity

Which type of energy is the energy of movement such as light, heat, electricity, and moving objects?

  • Stored energy
  • Kinetic energy (correct)
  • Potential energy
  • Chemical energy

What does E=mc^2 represent in the context of microbial metabolism energy?

<p>Mass-energy equivalence (A)</p> Signup and view all the answers

Which type of work involves the synthesis of complex biological molecules?

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

What does the standard reduction potential measure?

<p>The tendency of the donor to lose electrons (B)</p> Signup and view all the answers

In endergonic reactions, which of the following is true about the products compared to the reactants?

<p>Products contain more energy than reactants (D)</p> Signup and view all the answers

What role do coenzymes play in enzyme function?

<p>They assist enzymes by acting as helper molecules (A)</p> Signup and view all the answers

How are metabolic pathways controlled in cells?

<p>By binding small organic molecules to enzymes (D)</p> Signup and view all the answers

What is the main function of ATP in metabolism?

<p>To facilitate endergonic reactions by providing energy (C)</p> Signup and view all the answers

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