Bacterial Cytoplasmic Membrane Quiz
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Questions and Answers

What is the primary function of the bacterial cytoplasmic membrane?

  • Energy production
  • Protein synthesis
  • Cell replication
  • Maintains barrier with environment (correct)

What is the structure of the bacterial cytoplasmic membrane primarily composed of?

  • Protein matrix
  • Carbohydrate network
  • Lipid bilayer (correct)
  • Nucleic acid chains

What type of molecules make up the hydrophilic part of the bacterial cytoplasmic membrane?

  • Aromatic
  • Non-polar
  • Hydrophobic
  • Ionic and/or polar (correct)

In which type of bacteria is the cytoplasmic membrane also referred to as the 'inner membrane'?

<p>Gram-negative bacteria (B)</p> Signup and view all the answers

Which part of phospholipids is conserved in bacteria and Eukarya?

<p>Glycerol phosphate backbone (C)</p> Signup and view all the answers

What effect do unsaturated fatty acids (contain double bonds) have on membrane fluidity?

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

Where are amino acids that reside within the membrane typically positioned?

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

Which type of membrane proteins are embedded in the membrane and pass all the way through it?

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

Which compartment does the periplasmic face of the cytoplasmic membrane face?

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

What are the two types of proteins found throughout the phospholipid bilayer?

<p>Integral and transmembrane proteins (C)</p> Signup and view all the answers

Which part of the phospholipid molecule preferentially interacts with other hydrophobic molecules?

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

What type of fatty acids increase membrane fluidity?

<p>Unsaturated fatty acids (D)</p> Signup and view all the answers

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