Today we will talk about the basic building blocks of living things. As we all know that the human body is made up of trillions of cells. Studies have shown that our body consists of approximately 37.2 trillion cells. The cells have differentiated parts. Today we will put the emphasis on the cell membrane and DNA.
Difference Between Prokaryotic And Eukaryotic Cells
The two major types of cells present in living organisms are Eukaryotic and prokaryotic cells. The major difference between both of these cells is the cell membrane. Eukaryotic cells have a membrane-bound nucleus.
On the other hand, prokaryotes lack the cell membrane-bound nucleus. Furthermore, it is important to note that cells are very small structures and cannot be seen without using a microscope.
Meaning Of Cell Membrane
A thin membrane is rich in lipids and proteins which surround the cytoplasm of the cell. The cytoplasm is a thick solution in the cell. This thin membrane is responsible for the movement of substances in and out of the cell. Moreover, it is also responsible for the protection of the cell.
Meaning Of DNA
DNA is the hereditary material present in a person’s body. It is located in the nucleus of the cell. Other than that, you might find it in the mitochondria as well. Mitochondria is responsible for the conversion of food into energy. This energy can be easily used by the cells.
All the cells in a human’s body consist of the same DNA. Moreover, DNA found in the nucleus is referred to as nuclear DNA. On the flip side, the DNA found in the mitochondria is known as mitochondrial DNA. Let’s move ahead and understand DNA in detail.
It is important to note that the information in DNA is stored as a code. This coal is made up of four chemical bases named below.
Chromosomes are thread-like structures that contain genetic information or genes. Humans have 46 chromosomes in a Cell. Moreover, it is important to know that mature red blood cells have no chromosomes. The reproductive cells have 23 unpaired chromosomes.
Functions Of The Cell Membrane
- The cell membrane is mainly responsible for the protection of the cell.
- It is responsible for the movement of substances. It regulates and controls the material that enters or leaves the cell. Moreover, only the required material enters the cell. For carrying out processes like cellular respiration the oxygen enters the cell.
- On the flip side, the byproduct of these processes carbon dioxide exits the cell. Other than that, water also moves in and out of the cell. Furthermore, macromolecules like carbohydrates cannot enter the cell.
- It also plays an important role in communication.
Function Of DNA
- The main function of DNA is to store genetic information. This information is further used for development and reproduction. Moreover, the genetic information stored in DNA is passed from generation to generation. DNA is the main reason why every organism is unique.
These were some of the main functions of cell membranes and DNA. Furthermore, both of these are important components of a cell. Always remember that cells are the most basic and important structures of a human body.