Plants are unique amongst the eukaryotes, organisms whose cells have membrane-enclosed nuclei and organelles because they can manufacture their food. Chlorophyll, which gives plants their green color, enables them to use sunlight to convert water and carbon dioxide into sugars and carbohydrates; che...

Cells are the basic living units of all plants and animals. The cell is the structural and functional unit of all living organisms. There are a wide variety of cell types, such as nerve, muscle, bone, fat, and blood cells. Each cell type has many characteristics, which are important to the nor...

One Of Life¡s Great Proteins ¡V Hemoglobin Introduction Hemoglobin is a protein, which is one of the four basic biological molecules of life. Proteins have many functions and are versatile molecules. They are important for building and repairing cells and tissues and also as enzymes that are...

What is life?" The question has been asked innumerable times but has been answered to the satisfaction of few. Science is based on the experience that nature gives intelligent answers to intelligent questions. To senseless questions, nature gives senseless answers - or no answers at all. If nature h...

Central Dogma Part of DNA sequence are transcribed into RNA A specific part of the cells DNA n'tide sequence i.e. a gene is copied into an RNA nucleotide sequence. The info in RNA although in another chemical form is still essentially in same language as DNA. This is T. Both DNA and RNA are l...