Cell Biology and Biochemistry Quiz

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Questions and Answers

Which of the following is a key characteristic of eukaryotic cells?

  • Absence of a true nucleus
  • Presence of membrane-bound organelles (correct)
  • Presence of a cell wall
  • Lack of membrane-bound organelles

Which of the following biomolecules is a polymer of amino acids?

  • Nucleotides
  • Carbohydrates
  • Lipids
  • Proteins (correct)

What is the main role of ATP (adenosine triphosphate) in cellular metabolism?

  • To transport oxygen in the blood
  • To produce heat in the body
  • To catalyze chemical reactions
  • To store energy in the form of chemical bonds (correct)

Which of the following is the correct order of organization levels in multicellular organisms?

<p>Cells, tissues, organs, organism (A)</p> Signup and view all the answers

What is the primary function of the genetic code in DNA?

<p>To provide instructions for protein synthesis (C)</p> Signup and view all the answers

Which of the following is a key factor that affects the dynamics of an ecosystem?

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

Which of the following is a key distinguishing feature between prokaryotic and eukaryotic cells?

<p>The presence of membrane-bound organelles in eukaryotic cells (B)</p> Signup and view all the answers

Which of the following biomolecules is a polymer of nucleotides and carries the genetic information in living organisms?

<p>Deoxyribonucleic acid (DNA) (C)</p> Signup and view all the answers

Which of the following is a correct description of the process of photosynthesis?

<p>The conversion of light energy into chemical energy in the form of ATP, with carbon dioxide and water as reactants and glucose as the product (D)</p> Signup and view all the answers

What is the primary role of ATP (adenosine triphosphate) in cellular metabolism?

<p>To store and transport energy within cells (C)</p> Signup and view all the answers

Which of the following is the correct order of organization levels in multicellular organisms?

<p>Cells, tissues, organs, organisms (D)</p> Signup and view all the answers

Which of the following is a key factor that affects the dynamics of an ecosystem?

<p>The diversity of species in the community (A)</p> Signup and view all the answers

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