Which statement is right about ribosome of bacteria?
A polyribosome is formed when translation of protein take place in the cells of bacteria.
B. Only one peptide chain is translated from a mRNA chain in the ribosome of bacteria.
C. The ribosome in bacteria is a site for synthesis of protein and ATP
D. The ribosome can be broken by penicillin, leading to death of bacteria.
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Which of the following is not associated with most species of bacteria?
A. nucleoid,
B. plasmid,
C. many copies of chromosomes
D. close circular double stranded DNA of chromosome;.
Which of the following is not a function of a glycocalyx?
A. It forms pseudopods for faster mobility of an organism.
B. It can protect a bacterial cell from drying out.
C. It protects a bacterial cell from killing by phagocytes.
D. It allows a bacterium to stick to a host.
Gram+ bacteria is stained into _____ color; Gram- bacteria stained into ______.
A. blue + purple;
B. blue + red
C. yellow + red
D. balck + red
Which one of the following structure mediates conjugation?
A. capsule
B. endospore
C. sex pili
D. flagellum
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