Prokaryotes vs Eukaryotes and Cell Compartmentalization
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Questions and Answers

How do membranes grow according to the universal principles of living cells?

  • By expansion from preexisting lipid bilayers (correct)
  • By absorbing nutrients from the environment to increase in size
  • By de novo formation of proteins and phospholipids
  • By fusing with neighboring cells

Which process regulates the supply of proteins at the level of activation according to the universal principles of living cells?

  • Degradation
  • Rate of translation
  • Activation of proteins (correct)
  • Expression

What information is required for proteins destined to the nucleus to pass through nuclear pores according to the universal principles of living cells?

  • ATP synthesis
  • Endoplasmic reticulum structure
  • Golgi apparatus formation
  • NLS that binds receptors (correct)

According to the universal principles of living cells, how are cell constituents primarily moved?

<p>By diffusion, pumps, and motors (B)</p> Signup and view all the answers

According to the universal principles of living cells, what do one-dimensional chemical sequences in DNA code for?

<p>Both the linear sequences and the 3 dimensional structures of proteins (C)</p> Signup and view all the answers

Which type of cells have a compartmentalized cytoplasm?

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

What is the main advantage of the impermeability of the mitochondrial membrane in eukaryotic cells?

<p>Creates a proton gradient necessary for ATP synthesis (B)</p> Signup and view all the answers

What is the function of actin filaments, microtubules, and intermediate filaments in eukaryotic cells?

<p>Mechanical support and cell remodeling (D)</p> Signup and view all the answers

Where is the information needed for cell growth, function, and multiplication found in eukaryotic cells?

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

What are the specialized compartments found in eukaryotic cells that provide advantages such as hydrolytic enzymes and ATP synthesis?

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

How do membranes primarily grow according to the universal principles of living cells?

<p>Through the expansion of pre-existing membranes (A)</p> Signup and view all the answers

What is the main function of actin filaments, microtubules, and intermediate filaments in eukaryotic cells?

<p>To enable movement and transport within the cell (A)</p> Signup and view all the answers

How are cell constituents primarily moved according to the universal principles of living cells?

<p>Through diffusion, pumps, and motors (D)</p> Signup and view all the answers

What is the main advantage of the impermeability of the mitochondrial membrane in eukaryotic cells?

<p>It allows for selective passage of molecules (B)</p> Signup and view all the answers

According to the universal principles of living cells, what do one-dimensional chemical sequences in DNA primarily code for?

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

What is the main advantage of the impermeability of the mitochondrial membrane in eukaryotic cells?

<p>It creates a proton gradient necessary for ATP synthesis (C)</p> Signup and view all the answers

What are the primary functions of actin filaments, microtubules, and intermediate filaments in eukaryotic cells?

<p>Mechanical support, tracks for motor proteins, and cell remodeling (B)</p> Signup and view all the answers

What is the significance of specialized compartments like lysosomes, peroxisomes, and mitochondria in eukaryotic cells?

<p>They contain hydrolytic enzymes, drive ATP synthesis, and allow for oxidation reactions (A)</p> Signup and view all the answers

Which statement best describes the role of DNA in eukaryotic cells according to the universal principles of living cells?

<p>One-dimensional chemical sequences in DNA code for both linear sequences and 3D structures of proteins (B)</p> Signup and view all the answers

How do eukaryotes differ from prokaryotes in terms of their cytoplasm's organization?

<p>Eukaryotic cytoplasm contains specialized compartments like lysosomes and peroxisomes while prokaryotic cytoplasm does not (B)</p> Signup and view all the answers

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