Answer: they are gram negative
Explanation:
The cells are nonmotile, spherical, and occasionally ovoid and divide in two planes at right angles to form tetrads. Cells may also form pairs or occur singly, especially during early or midexponential growth. Individual cells measure 0.5–1.0 µm. The cells are Gram‐positive, asporogenic, and catalase‐ and oxidase‐negative.
Some other information about the tetragenococcus halophilus
Scientific classification
Kingdom: Bacteria
Phylum: Firmicutes
Class: Bacilli
Order: Lactobacillales
Family: Enterococcaceae
Genus: Tetragenococcus
Species: T. halophilus
Binomial name
Tetragenococcus halophilus
(Mees 1934) Collins et al. 1993
Synonyms
Pediococcus halophilus Mees 1934
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The correct option would be B. consent can be obtained from adult stem cell donors.
The controversy behind the other option is that it is a form of life, but no consent is taken from the actual life. (i know it's phrased weirdly, my bad)
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