Mention the three differences between a living cell and a brick in a wall

List any six features found both in plant and animal cells.

Given below are the sketches of two types of cells A and B.

1. Which one of these is a plant cell? Give reason in support of your answer.
2. List the cell structures which are common to both the types.
3. Name the structures found only in plant cells and those found only in animal cells.

Gautam observed a plant cell and an animal cell under electron microscope and found one organelle that is present only in animal cells but not in plant cells. The figure of this organelle is shown alongside.

(a) What is this structure called ?

(b) It contains one or two dot-like dense bodies, surrounded by microtubules. Name them.

(c) Write one important role of the above mentioned structure.