18 Questions
Which bacterium mentioned in the text has a capsule primarily composed of a polypeptide?
Bacillus anthracis
What is the primary function of bacterial capsules?
Promote attachment of bacteria to surfaces
What is the significance of bacterial capsules being relatively impermeable structures?
They prevent staining with dyes
What is one application of bacterial capsules mentioned in the text?
Preparation of vaccines
Which bacterium's capsule can be toxic to host cells according to the text?
Bacteroides fragilis
What type of polymer are bacterial capsules usually composed of?
Polysaccharides
What is the function of plasmids in bacterial cells?
Encode antibiotic resistance
Which of the following stressors can endospores resist?
Excessive heat
What is the main composition of ribosomes in prokaryotic cells?
Proteins and ribosomal RNA
Where are inclusions and granules found in bacterial cells?
Cytoplasm
Why are plasmids important in genetic engineering?
They can be readily manipulated and transferred between cells
Which bacterial structures can form a resistant dormant structure called an endospore?
Bacterial spores
Where is the bacterial genome located?
Nucleoid
What is the function of Mesosomes in bacterial cells?
Cell division
What is the composition of bacterial cytoplasm?
80% Water, 20% Salts
Which structure in bacterial cells contains the genetic information necessary for cell function?
Chromosome (Nucleoid)
What process exhibits variation in the shape and size of individual cells?
Pleomorphism
What is the function of Ribosomes in bacterial cells?
Protein synthesis
Test your knowledge on cell structures such as glycogen and volutin, which serve as reservoirs for various substances. Also, explore bacterial surface structures like capsules and slime layers in this quiz.
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