Which of these is responsible for protein synthesis in prokaryotes?
Mitochondria
Ribosomes
Endoplasmic reticulum
Golgi apparatus
Related Questions
Where does DNA replication initiate in bacteria?
Single origin of replication
Multiple origins of replication
Telomeres
Centromeres
Which of the following is NOT a characteristic of prokaryotic DNA?
Circular in shape
Located in the nucleoid region
Associated with histone proteins
Not enclosed within a nuclear membrane
The main component of the bacterial cell wall is:
Cellulose
Chitin
Peptidoglycan
Keratin
The plasmid DNA confers certain unique characters to bacteria in which they are found. This include
I. resistance to antibiotics
II. no resistance to antibiotics
III. monitor bacterial transformation with foreign DNA
The correct option is
I and II only
I and III only
II and III only
I, II and III
Which statement BEST describes the role of inclusion bodies in recombinant protein production?
They prevent proteolysis of the recombinant protein.
They simplify purification but require refolding steps.
They enhance the expression levels of the recombinant protein.
They facilitate secretion of the recombinant protein.
In prokaryotes, chromatophores are
Specialised granules responsible for colouration of cells
Structures responsible for organising the shape of the organism
Incusion bodies lying free inside the cells for carrying out various metabolic activities
Internal membrane system that may become extensive and complex in photosynthetic bacteria
Correct sequence of layers of bacterial cell envelope is
Cell membrane glycocalyx cell wall
Glycocalyx cell wall cell membrane
Glycocalyx cell membrane cell wall
Cell wall glycocalyx cell membrane
What is the shape of the bacterial chromosome during replication?
Linear structure
Circular structure
Theta structure
Supercoiled structure
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
Which structure helps some prokaryotes move?
Cilia
Flagella
Pseudopodia
Vacuoles
