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10 Questions

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W2-Bacterial Cell structure

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Questions and Answers

What is a major difference between prokaryotes and eukaryotes?

Number of RNA polymerase enzymes

Presence of TATA box binding protein

Presence of mitochondria and lysosomes

Presence of membrane-bound nucleus (correct)

Presence of introns in DNA

Which kingdom includes 'true' bacteria and human pathogens?

Protista

Eubacter (correct)

Archaea

Fungi

Plantae

What is a characteristic feature of prokaryotic cell membranes?

Presence of nucleosomes

Containment of introns

Presence of TATA box binding protein

Presence of endoplasmic reticulum

Lack of sterols (correct)

Which feature is unique to eukaryotic cells?

Presence of histones in DNA packaging Signup and view all the answers

'Koch’s postulates' are primarily related to the study of:

Causes of infectious diseases Signup and view all the answers

Which bacterial structure is responsible for major permeability barrier in Gram-negative bacteria?

Outer membrane Signup and view all the answers

What is the function of pili (fimbriae) in bacteria?

Sexual conjugation Signup and view all the answers

Which type of bacteria produce endospores?

Gram-positive bacteria Signup and view all the answers

What is the primary composition of capsules and slime layers in bacteria?

Polysaccharides Signup and view all the answers

What is the role of plasmids in bacteria?

Coding pathogenesis and antibiotic resistance factors Signup and view all the answers