The only cell organelle seen in prokaryotic cells is

We eat food composed of all the nutrients like carbohydrates,proteins,fats,vitamins,minerals,and water. After digestion,these are absorbed in the form of glucose,amino acids,fatty acids,glycerol,etc. What mechanisms are involved in the absorption of digested food and water?

Name two double membraned cell organelles.

Name an organelle which maintains the turgidity and rigidity of mature plant cells.

The statement "Cell arises from pre-existing cells" (Omnis cellula-e cellula) was proposed by:

Who observed the cell for the first time and when?