Bacterial Cell Structure and Layers

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Questions and Answers

Which of the following is the primary function of the bacterial capsule?

  • Facilitating cell division
  • Supporting the weaker parts of the cell
  • Enhancing nutrient absorption
  • Protection against adverse conditions and chemicals (correct)

What is the main structural component of the bacterial cell wall?

  • Chitin
  • Cellulose
  • Glutamic acid
  • N-acetylglucosamine (correct)

Which amino acid is commonly found in the structure of bacterial cell walls?

  • Lysine (correct)
  • Histidine
  • Tryptophan
  • Phenylalanine

In which type of bacteria is the cell wall generally thicker?

<p>Gram-positive bacteria (C)</p> Signup and view all the answers

What distinguishes the slime layer from the capsule in bacteria?

<p>Arrangement and thickness of the outer covering (C)</p> Signup and view all the answers

Where are ribosomes freely found in a bacterial cell?

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

What is the main component of the cell membrane?

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

What is the main component of the nucleic region in a bacterial cell?

<p>Single circular chromosome containing DNA and Protein (B)</p> Signup and view all the answers

What is the function of chromotophores in photosynthetic bacteria?

<p>Contain photosynthetic pigments associated with electron carriers (B)</p> Signup and view all the answers

What is the composition of the cytoplasm in a bacterial cell?

<p>Salts, sugars, amino acids, vitamins, glycogene (C)</p> Signup and view all the answers

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