It is a thin semipermeable membrane that surrounds cytoplasm. It also acts as cytoskeleton in many organisms. It is composed of proteins and lipids. Phopsholipids are major components of the cell membrane. The lipid bi layer is semi permeable. It is also called as plasma lemma or plasma membrane. It acts as a barrier between the cytoplasm and outer environment.
A journal is a periodical publication intended to further progress of science, usually by reporting new research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, and scientific papers across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity.
Last date updated on September, 2014