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Microbiology: Bacterial Cell Structure Group Quiz

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Microbiology: Bacterial Cell Structure Group Quiz

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Questions and Answers

What are the essential components of bacterial cells?

Cytoplasm, cell membrane, and cell wall (correct)

Ribosomes, golgi apparatus, and lysosomes

Starch, cellulose, and chlorophyll

Nucleus, mitochondria, and endoplasmic reticulum

Bacterial cell walls are made from what macromolecule?

Lipid bilayer

Cellulose

Peptidoglycan (correct)

Chitin

What is the major function of the cell wall in bacterial cells?

To store genetic material

To provide structural support and shape to the cell (correct)

To regulate the entry and exit of molecules

To carry out photosynthesis

What bacteria lack a cell wall?

Mycoplasma Signup and view all the answers

What is the structure of Gram-positive cell walls primarily composed of?

Peptidoglycan Signup and view all the answers

Which macromolecule forms the primary component of Gram-negative cell walls?

Lipopolysaccharides Signup and view all the answers

What are the components of the lipopolysaccharide (LPS)?

Lipid A, core polysaccharide, O-specific polysaccharide Signup and view all the answers

What are the two types of pili and what are their functions?

Fimbriae for attachment and sexual pili for motility Signup and view all the answers

What important enzyme is found in the periplasmic space of gram-negative bacteria?

Penicillin-binding protein (PBP) Signup and view all the answers

What metabolically inactive structure formed by certain bacteria is resistant to environmental stresses?

Spore Signup and view all the answers

Bacterial capsules are typically made from what macromolecule?

Polysaccharide Signup and view all the answers

What are the two functions of a bacterial capsule?

Protection and biofilm formation Signup and view all the answers

What type of bacteria has teichoic and lipoteichoic acid?

Gram-positive bacteria Signup and view all the answers

Microbiology: Bacterial Cell Structure Group Quiz

Choose a study mode

Podcast

Questions and Answers

What are the essential components of bacterial cells?

Bacterial cell walls are made from what macromolecule?

What is the major function of the cell wall in bacterial cells?

What bacteria lack a cell wall?

What is the structure of Gram-positive cell walls primarily composed of?

Which macromolecule forms the primary component of Gram-negative cell walls?

What are the components of the lipopolysaccharide (LPS)?

What are the two types of pili and what are their functions?

What important enzyme is found in the periplasmic space of gram-negative bacteria?

What metabolically inactive structure formed by certain bacteria is resistant to environmental stresses?

Bacterial capsules are typically made from what macromolecule?

What are the two functions of a bacterial capsule?

What type of bacteria has teichoic and lipoteichoic acid?

What are the three basic groups into which bacteria are classified based on shape?

Which enzyme is used by some bacteria to resist environmental stresses?

What structure do some bacteria form to resist environmental stress?

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