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10 Questions

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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?

Gram-positive bacteria Signup and view all the answers

What distinguishes the slime layer from the capsule in bacteria?

Arrangement and thickness of the outer covering Signup and view all the answers

Where are ribosomes freely found in a bacterial cell?

Cytoplasm Signup and view all the answers

What is the main component of the cell membrane?

Phospholipids and proteins Signup and view all the answers

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

Single circular chromosome containing DNA and Protein Signup and view all the answers

What is the function of chromotophores in photosynthetic bacteria?

Contain photosynthetic pigments associated with electron carriers Signup and view all the answers

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

Salts, sugars, amino acids, vitamins, glycogene Signup and view all the answers