The Cell

Things to remember

• The outermost, rigid, protective layer found in cells is known as cell wall.
• The non-crystalline, translucent substance found in between the plasma membrane and nucleus is known as cytoplasm.
• Ribosomes are small round structures found in cytoplasm and consider as protein factories as they synthesize protein.
• Usually animal cells are smaller and have irregular shape.
• A cell can be defined as the protoplasm surrounded with cell membrane, which works as structural and functional unit of life
• All the cells are fundamentally similar in chemical compositions and metabolic activities.
• The cells may be prokaryotic or eukaryotic.
• Eukaryotic cells can be divided into following three major parts: Cell wall and cell membrane, Cytoplasm and Nucleus.