The correct answer is Chloroplast
Mitochondria is the powerhouse of the cell while the cell wall protects the cell from outside influence.
The nurse should assure the patient that black tongue is an expected side effect of taking that particular drug. The active ingredient in the drug contain bismuth. The tongue and the alimentary canal of humans contain trace amount of sulphur, when bismuth comes in contact with this sulphur, bismuth-sulphide will be formed. Bismuth-sulphide is an harmless by product, thus, the tongue discoloration observed in the patient is harmless.<span />
Trichonympha lives in the gut of termites and digests cellulose eaten by the termite.
Because it is not the dominant allele, it is the recessive allele so it is not shown.
