A prokaryotic cell lacking MreB protein is most likely to exhibit which shape?
Rod-shaped
Spiral
Spherical
Filamentous
Related Questions
In prokaryotes, respiratory enzymes are associated with the:
Ribosomes
Nucleoid
Plasma membrane
Cell wall
Which of the following pair is mismatched?
Capsule – Thick and tough glycocalyx
Slime layer – Loose glycocalyx
Pilli – Motility organ
Bacterial cells – Motile or non-motile
Which of the following statements about inclusion bodies is incorrect ?
They are not bound by any membrane
These are involved in ingestion of food particles
They lie free in the cytoplasm
These represent reserve material in cytoplasm
In , fimbriae takes part in …A…, while in it helps in …B… Choose appropriate options for A and B to complete the given statement
A-conjugation; B-attachment
A-attachment; B-conjugation
A-movement only; B-conjugation
A-attachment; B-movement only
Which of the following statements are correct about prokaryotic cells?
I. DNA lies freely in the cytoplasm, not associated with any organelle
II. The amount of DNA do not change as there are no haploid and diploid stages
III. Transcription and translation occurs in the cytoplasm
IV. Protein synthesis occurs only in the cytoplasm
Correct option regarding the above statement is
I, II and III
I and II
Only I
I, II, III and IV
Which one is the correct statement about the bacterial cell envelope?
The outermost cell wall is followed by glycocalyx and then the plasma membrane
Cell envelope is chemically very simple and consists of only plasma membrane
The outermost glycocalyx is followed by cell wall and plasma membrane
The outermost glycocalyx is followed by plasma membrane and then the cell wall
Which of the following statements are correct about prokaryotic genetic material (DNA)?
I. DNA is naked, that is without histones
II. DNA is usually circular/single chromosome
III. Outside the genomic DNA, small circular DNA is also present in many bacteria
IV. The smallest DNA are called plasmids
I and II
I and III
Only I
I, II, III and IV
The formation of inclusion bodies is often associated with:
High expression rates of recombinant proteins
Low temperatures during protein synthesis
Abundant chaperone proteins in the cell
Slow protein synthesis rates
The presence of hopanoids in some prokaryotic plasma membranes primarily contributes to:
Protein synthesis
Nutrient transport
Membrane stability
Photosynthesis
Which of the following statements about inclusion bodies is incorrect ?
They are not bound by any membrane
These are involved in ingestion of food particles
They lie free in the cytoplasm
These represent reserve material in cytoplasm
