Which of these structures is found in some prokaryotes but NOT in all?
Ribosomes
Cell wall
Plasma membrane
Plasmids
Related Questions
Which of the following bacterial structures are primarily responsible for attachment to substrates, such as rocks in a stream or the lining of the human intestine?
Fimbriae
Capsule
Cell Wall
Plasma Membrane
Which structure is primarily responsible for the motility of many bacteria?
Pili
Flagella
Fimbriae
Capsule
Naked DNA without histones is found in
Prokaryotes
Eukaryotes
Protozoa
Coelenterate
The presence of hopanoids in some prokaryotic plasma membranes primarily contributes to:
Protein synthesis
Nutrient transport
Membrane stability
Photosynthesis
In prokaryotic cell,
I. enveloped genetic material is present
II. ribosomes are absent
III. an organised nucleus is absent
The correct option is
Only I
Only II
Only III
I, II and III
DNA replication in bacteria occurs
Just before transcription
During S-phase
Within nucleolus
Prior to fission
Which one of the following organisms is not an example of eukaryotic cells?
Inclusion bodies are primarily composed of:
Aggregated proteins
Lipids
Carbohydrates
Nucleic acids
Which of the following statement is not correct for prokaryotic cell?
Prokaryotes have no chromosomes and therefore, lack DNA
Prokaryotic flagella are similar in structure to eukaryotic flagella
Because prokaryotes do not contain organelles, they cannot perform photosynthesis or carry out cellular respiration
All of the above
Which of the following is not a characteristic of prokaryotic cells?
Circular DNA
Mesosome
Photosynthetic membrane system
Membrane bound organelles
