Which of the following is NOT a characteristic feature exclusively found in prokaryotic 70S ribosomes?
Presence of 16S rRNA in the small subunit
Sensitivity to antibiotics like streptomycin
Presence of 28S rRNA
Sedimentation coefficient of 70S
Related Questions
The formation of biofilms by bacteria is facilitated by the sticky nature of their:
Cell membrane
Nucleoid
Glycocalyx
Mesosomes
Where does DNA replication initiate in bacteria?
Single origin of replication
Multiple origins of replication
Telomeres
Centromeres
Many bacteria have small circular DNA outside the genomic DNA. These smaller DNA are called
Plasmids
Mesosome
Nucleoid
None of these
Which bacterial structure is primarily composed of polysaccharides and/or polypeptides and contributes to its virulence by enabling attachment to host tissues?
Capsule
Slime layer
Glycocalyx (including capsule and slime layer)
Fimbriae
Which of the following pair is mismatched?
Capsule β Thick and tough glycocalyx
Slime layer β Loose glycocalyx
Pilli β Motility organ
Bacterial cells β Motile or non-motile
In bacteria, DNA replication proceeds in which direction?
Unidirectionally
Bidirectionally
Randomly
Non-enzymatically
What is the shape of the bacterial chromosome during replication?
Linear structure
Circular structure
Theta structure
Supercoiled structure
Which enzyme is essential for unwinding the DNA double helix at the origin of replication in bacteria?
DNA polymerase
Ligase
Primase
Helicase
Certain bacteria can adhere to surfaces like rocks or host tissues using specialized structures. What are these structures called?
Flagella
Cilia
Fimbriae
Ribosomes
Which of the following components provides sticky character to the bacterial cell?
Glycocalyx
Cell wall
Nuclear membrane
Plasma membrane
