Which one of the following organelles can be seen in a prokaryotic cell?

Which of the following statements is not true?

The central cytoplasmic region of a prokaryotic cell containing nucleic acids is called:

A researcher is studying different types of cells. In which cell type will he/she encounter the highest number of lysosomes?

The antibiotic penicillin can kill invading bacteria without harming human cells because it targets bacterial:

What is the structural and functional unit of life ?