Which of the following cell organelles is bounded by a single unit membrane?

The glyoxylate cycle helps in the metabolism of triglycerides to convert fats into carbohydrates. The organelle responsible for this process is found in:

Which one of the following is associated with osmoregulation in $Amoeba$?

Give scientific reasons: Majority of fresh water organisms have contractile vacuoles while marine organisms lack them.

All the following statements are correct,except:

Which of the following vacuoles help in osmoregulation in $Amoeba$?