Articles Junction

Your One Stop Information Junction


Article Junction is an online blog of Sandeep Patil. Here, I share my encounters and experiences of life and would contribute articles on variety of topics; like finance, technology, health, the Internet, mobile, celebrities, etc. I shall also publish review articles on latest movies, documentaries, gadgets, products, services, so on. My attempt is to blog what I have seen, understood and learned.


Articles published on 'Articles Junction Blog' (AJB) are written and published by Sandeep Patil. This blog is updated and maintained by my co-author and webmaster Manoj Patil. Some articles are also contributed by our guest bloggers on a timely manner. We hope you will enjoy reading our articles. We welcome you to submit your suggestions.

Welcome to Articles Junction Blog, a free information portal on variety of subjects and topics that influenced different aspects of my life.


What is Cell? Meaning and Parts of Cell

square What is Cell? Meaning

In terms of biology, cell is termed as the basic living structural and functional unit of all organisms.

Cell Parts

Image credits © Sandeep Patil.

square Parts of cell

Following are important parts of a cell.

Cell Membrane is an outer limiting membrane separating the cell's internal parts from the external environment. It is mainly consists of two layers of phospholipids and some protein molecules.

Functions of cell membrane:

  1. Cell membrane provides protective covering and rigidity to the cell.
  2. It transfers food and other particles in out of the cell.

Cytoplasm is the liquid substance inside the cell membrane, but outside the nucleus. It is the matrix in which various cellular components are found. Most of the chemical reactions of the cell occur in the cytoplasm.

Cell organelles comprises of the following structures:

  1. Nucleus: Within the cell, there is a central mass called the nucleus, which is enclosed in a nuclear membrane. The nucleus contains DNA, RNA and protein molecules. The DNA consists of chromosomes.
  2. Endoplasmic reticulum: Here bio-synthesis of lipids, proteins (via ribosome's) & complex carbohydrates take place.
  3. Golgi complex: Its is the site for processing proteins.
  4. Ribosome: These are the sites of protein synthesis.
  5. Mitochondria: It is termed as the powerhouse of cells, because energy is produced here.
  6. Lysosomes: These are spherical bodies, which break down the cell's organic materials into smaller particles. These are later expelled from the cell as waste matter.

Intra-cellular fluid (ICF) is the fluid found within the cell.

Extra-cellular fluid (ECF) is the fluid found outside the cell.

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