Laboratory investigations are carried out to prove ideas and to verify information. These investigations must be performed with accuracy, safety, and under conditions...
Gel electrophoresis is a technique used to separate charged molecules like DNA, RNA, and proteins based on their mass. Electric current is passed through the gel, one...
The microscope is an important scientific tool. It enables us to observe things that cannot be seen with the naked eye. . In this section, we will discuss two types of microscopes...
All living organisms are made of living structural units called cells. The cell is the basic structural unit of life. The word cell comes from a Latin word cellula. which means a small room or cubicle….
All cells are surrounded by a cell membrane, which is also called the plasma membrane. The cell membrane is the boundary that maintains conditions suitable for the life ...
DNA is a vast chemical information database that carries the complete set of instructions for making all the proteins a cell will ever need. Within the nucleus are the chromosomes...
This section explores how the information present in the DNA is decoded and made into vital proteins that are important for growth, repair and maintenance of organisms...
Cells come in various shapes, and during their life they grow, divide, and die. Human cells go through this process every 24 hours, once in several. The reproduction of cells is a very..