Biochemistry BSN-1: Biosynthetic Pathways Reporters

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Questions and Answers

What is the primary purpose of the biosynthesis of carbohydrates?

  • To enhance cellular respiration
  • To produce proteins from non-carbohydrate precursors
  • To maintain blood glucose levels (correct)
  • To break down glucose into non-carbohydrate precursors

What are primary metabolites directly involved in?

  • Blood glucose maintenance
  • Normal growth, development, and reproduction (correct)
  • Cellular respiration
  • Secondary metabolic pathways

Which pathway is also known as gluconeogenesis?

  • Cellular respiration
  • Porphyrin synthesis pathway
  • Fatty acid oxidation
  • Biosynthesis of carbohydrates (correct)

What is the primary source of energy for living cells?

<p>Carbohydrates (A)</p> Signup and view all the answers

What do catabolic reactions in stage 1 of metabolism involve?

<p>Digestion and hydrolysis of large molecules (C)</p> Signup and view all the answers

What is the process by which living cells process nutrient molecules and maintain their structures?

<p>Metabolism (A)</p> Signup and view all the answers

What is a secondary metabolite not directly involved in?

<p>Normal growth, development, and reproduction (C)</p> Signup and view all the answers

What is biosynthesis?

<p>The process of forming larger organic compounds from small subunits within a living organism (C)</p> Signup and view all the answers

Which process involves the conversion of light energy into chemical energy?

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

What are the primary metabolites derived from biosynthesis used for?

<p>General growth and physiological development (D)</p> Signup and view all the answers

Where does photosynthesis occur in a plant cell?

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

What is the term for the synthesis of fatty acids in living organisms?

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

What are the secondary metabolites derived from biosynthesis utilized for?

<p>Defensive mechanisms and attraction of pollinators (B)</p> Signup and view all the answers

What is the primary role of enzymes in biosynthesis?

<p>Facilitating the formation of macromolecules (D)</p> Signup and view all the answers

In which organelle does photosynthesis primarily occur?

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

What are the primary metabolites derived from biosynthesis mainly utilized for?

<p>Fulfilling general growth and physiological development (A)</p> Signup and view all the answers

What type of energy is converted into chemical energy during photosynthesis?

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

What is the primary function of the biosynthesis of carbohydrates?

<p>Provide energy for cellular activities (D)</p> Signup and view all the answers

What are secondary metabolites derived from biosynthesis primarily utilized for?

<p>Defense mechanisms in plants (B)</p> Signup and view all the answers

What is the primary purpose of the pentose phosphate pathway in living cells?

<p>Generation of reducing equivalents for biosynthetic reactions (D)</p> Signup and view all the answers

Which metabolic pathway primarily involves the conversion of acetyl-CoA to carbon dioxide and water?

<p>Kreb's cycle /TCA (A)</p> Signup and view all the answers

In cell metabolism, what is the primary function of the urea cycle?

<p>Production of ammonia for excretion (B)</p> Signup and view all the answers

What is the primary significance of secondary metabolites in living organisms?

<p>Important ecological functions (A)</p> Signup and view all the answers

Which process involves the breakdown of large molecules to smaller ones for entry into the bloodstream?

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

What is the primary function of HMG-CoA reductase pathway in living cells?

<p>Synthesis of cholesterol (A)</p> Signup and view all the answers

Which metabolic pathway is responsible for the production of glucose from non-carbohydrate precursors?

<p>(hexose monophosphate) Pentose phosphate pathway (B)</p> Signup and view all the answers

In the biosynthesis of carbohydrates, what is the primary purpose of the conversion of non-carbohydrate precursors into glucose?

<p>Maintenance of blood glucose levels (C)</p> Signup and view all the answers

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