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.
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.
举一反三
- The envelope of an animal virus is derived from the ( ) of its host cell. A: cell wall B: membrane C: glycocalyx D: receptors
- 中国大学MOOC: A bacterial cell transfers chromosomal genes to F-cells, but it rarely causes them to become F+. The bacterial cell is:
- Which one of the following methods is most effective for killing bacterial spore
- A bacterial cell transfers chromosomal genes to F- cells, but it rarely causes them to become F+. The bacterial cell is: A: Hfr. B: lysogenic. C: Auxotrophic. D: lytic.
- Which form is transformation ( ) A: genetic substance was transmitted from donor bacterium to receptor bacterium by F pilus B: genetic substance was transmitted from donor bacterium to receptor bacterium by vector phage C: Free DNA segment from donor bacterium directly was ingested into receptor bacterium D: prophage was integrated into bacterial chromosome