Solar cell - Wikipedia, the free encyclopedia A solar cell (also called a photovoltaic cell) is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect. It is a form of photoelectric cell (in that its electrical ...
Home of CELLS alive! Learn about bacteria, parasites, cancer cells and viruses. Learn about how immune cells attack and kill microbes. Procure stock video for TV and CDROMs. Order educational videos.
Stem Cell Research U.S. Policy on Stem Cell Research On March 9, 2009, President Obama issued Executive Order 13505, entitled "Removing Barriers to Responsible Research Involving Human Stem Cells." Read About the Executive Order NIH Guidelines on Human Stem Cell ...
Biology4Kids.com: Cell Structure This tutorial introduces cell structure. Other sections include plants, ... Cells hold a variety of pieces and each cell has a different set of functions. It is easier for an ...
Stem cell - Wikipedia, the free encyclopedia Potency specifies the differentiation potential (the potential to differentiate into different cell types) of the stem cell. Totipotent (a.k.a. omnipotent) stem cells can differentiate into embryonic and extraembryonic cell types. Such cells can construct
Home: Cancer Cell 2014年6月19日 - In contrast to current thinking, Özdemir et al. show that low myofibroblast proportions in ...
Home: Cell Press Next. Cell Journal Homepage ... DOI: http://dx.doi.org/10.1016/j.cell.2014.04.032. Cell. Natural Product Proteomining, a Quantitative Proteomics Platform, Allows ...
Biology4Kids.com: Cell Structure - Rader's BIOLOGY 4 KIDS.COM - Biology basics for everyone! Biology4Kids.com! This tutorial introduces cell structure. Other sections include plants, animal systems, invertebrates, vertebrates, and microorganisms. ... Cells are the Starting Point All living organisms on Earth are divided in pieces called cells. Th
Molecular Expressions Cell Biology: Structure of Cells and Viruses Explore the structure of animal, plant, and bacteria cells along with their associated viruses with our three-dimensional graphics. ... Introduction to Cell and Virus Structure At first glance, the petal of a flower or the skin on the back of a human hand
Cell Models: An Interactive Animation - Home of CELLS alive! An interactive flash animation comparing animal and plant cell organelles. ... Eukaryotic Cell Organelles The cells of protozoa, higher plants and animals are highly structured. These cells tend to be larger than the cells of bacteria, and have ...