Environmental Issues Quiz

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Questions and Answers

What is the common feature of all catabolic reactions that produce energy?

  • Protein synthesis
  • Carbohydrate storage
  • Lipid breakdown
  • Electron-transfer reactions (correct)

Which of the following processes is NOT a typical autotrophic metabolism pathway for synthesizing organic molecules from carbon dioxide?

  • Reductive tricarboxylic acid cycle
  • Acetyl-CoA pathway
  • Reductive pentose phosphate (Calvin) cycle
  • Glycolysis pathway (correct)

What is the main role of chlorophyll pigments in the process of photosynthesis?

  • Absorb solar light energy (correct)
  • Produce CO2
  • Store glucose molecules
  • Facilitate protein synthesis

Which genetic approach is specifically mentioned in the text as being used for bacterial species classification?

<p>DNA extraction and sequencing (B)</p> Signup and view all the answers

What type of bacteria use carbon dioxide as their carbon source to produce every component of their cells?

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

In autotrophic metabolism, what are the three most typical processes for synthesizing organic molecules from carbon dioxide?

<p>Reductive pentose phosphate (Calvin) cycle, reductive tricarboxylic acid cycle, acetyl-CoA pathway (A)</p> Signup and view all the answers

'The process of photosynthesis, which transforms solar energy into cellular energy, is necessary for life to exist on Earth.' - What is the key role of photosynthesis based on this statement?

<p>Converting solar energy into cellular energy (B)</p> Signup and view all the answers

'Bacterial Species Problem Genetic Approaches DNA-Based Methods 16S rRNA analysis' - Which specific genetic approach is focused on in this context?

<p>16S rRNA analysis (B)</p> Signup and view all the answers

'Chlorophyll pigments, which absorb solar light energy and emit an electron with a higher energy level, are used in the general process of photosynthesis.' - What is one of the primary roles of chlorophyll pigments mentioned here?

<p>'Absorb solar light energy' (C)</p> Signup and view all the answers

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