By: Patricia Jankowski
The human body is made up of cells, intercellular matrix and bodily fluids. The cell is the body’s functional unit and is the only part that is truly alive. One human body contains trillions of cells. Different types of human tissue have different types...
By: Dr. Bryan Katz
In cell biology, respiration is defined as the process of liberating energy from fuel molecules then storing it in a more accessible form, namely the high-energy phosphate bonds of the molecule ATP (adenosine triphosphate). This process can occur anaerobically (without oxygen), as with many bacteria...
Overview of cell biology
By: Melissa Mercer
Cells are basic units of all living things, including bacteria, plants and animals. The human body is composed entirely of cells, fluids and cellular products. As the basic functional units, the cells carry on life processes. Cells also have the ability to reproduce, providing new...
By: Michael Totten
Epigenetics is the study of heritable factors which are not directly based on the genetic code. In addition to non-genetic “cellular memory,” which records developmental and environmental cues for DNA and RNA expression, epigenetics also covers heredity in molecules other than DNA and...

 

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