No, they don't have organs and organ system.
Cells form tissues, Tissues form organs, Organs forms organ system; Unicellular have their own one cell only. So, it can't possible that they have organs or organ system.
Answer:
The Gram-negative diplococci <u>Neisseria </u>are pathogenic microbes that infect mammalian mucous membranes, and include the species which causes gonorrhea.
Explanation:
Options for this question are:
- <em>Streptococcus
.</em>
- <em>Coxiella
.</em>
- <em>Neisseria
.</em>
- <em>Listeria
.</em>
- <em>Haemophilus.</em>
Bacteria of the genus Neisseria are Gram-negative, with a rounded morphology that are associated in pairs, so they are called diplococci. They are aerobic microorganisms, no more than 1 micrometer in diameter, immobile and not sporulated.
Their biological importance is due to the fact that they cause diseases in humans, such as bacterial meningitis -caused by N. meningitidis- or gonorrhea, associated with N. gonorrhoeae.
Learn more:
Germ theory of disease brainly.com/question/818392
Answer:Either the cell wall or the membrane
Explanation:
The cell wall proctects the cell while the membrane forms structures inside of the cell
sodium ion can't pass through plasma membrane without the help of protein channel
