The 70S ribosomes of prokaryotes are composed of which subunits?
60S and 40S
50S and 30S
40S and 20S
80S and 60S
Related Questions
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 represents prokaryotic cells?
PPLO
Mycoplasma
Bacteria
All of these
Unicellular organisms are
Not capable of independent existence because they cannot perform all the essential functions of life
Not capable of independent existence but they can perform all the essential functions of life
Capable of independent existence and can perform all the essential vital functions
Capable to lead independent existence but they perform few vital functions of life
The prokaryotic cell does not contain
Chromosome
Mitochondria
Plasma membrane
Ribosome
Stain used by Feulgen to stain DNA is
Janus green
Basic fuchsin
Crystal violet
Methylene blue
The formation of biofilms by bacteria is facilitated by the sticky nature of their:
Cell membrane
Nucleoid
Glycocalyx
Mesosomes
Glycocalyx (mucilage sheath) of a bacterial cell may occur in the form of a loose sheath called …A… or it may be thick and tough called …B… Choose the correct pair from the given option
Slime layer, Capsule
Capsule, Slime layer
Cell wall, Plasma membrane
Tonoplast, Leucoplast
Which of the following is NOT a characteristic of inclusion bodies?
Dense, particulate structures
Composed primarily of protein
Membrane-bound
Often found in diseased or stressed cells
In prokaryotic cells,
Internal compartments are absent
Nucleus is absent
Ribosomes are 70S
All of the above
Which one of the following remains absent in prokaryotes?
Nuclear membrane
Ribosome
Cell wall
Plasma membrane
