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Cell damage (also known as cell injury) is a variety of changes of stress that a cell suffers due to external as well as internal environmental changes. Amongst other causes, this can be due to physical, chemical, infectious, biological, nutritional or immunological factors.
In low nitrogen environments, heterocyst differentiation is triggered by the transcriptional regulator NtcA. NtcA influences heterocyst differentiation by signaling proteins involved in the process of heterocyst differentiation.
The cell is the basic structural and functional unit of all forms of life.Every cell consists of cytoplasm enclosed within a membrane; many cells contain organelles, each with a specific function.
Many organisms, including aspen trees, reproduce by cloning, often creating large groups of organisms with the same DNA.One example depicted here is quaking aspen.. Cloning is the process of producing individual organisms with identical genomes, either by natural or artificial means.
Masayo Takahashi (高橋 政代, Takahashi Masayo, born June 23, 1961) is a Japanese medical physician, ophthalmologist and stem cell researcher.. Takahashi serves as a project research leader at the Riken Center for Developmental Biology in Kobe focusing on the clinical application of iPS Cell (induced Pluripotent Stem Cell) technology on macular degeneration.
The 3A movement is known for its slogan: "Japan - the light of Asia, Japan - the mother of Asia, Japan - the leader of Asia," in Japanese 「亜細亜の光日本、亜細亜の母体日本、亜細亜の指導者日本」, and in Indonesian "Jepang cahaya Asia, Jepang pelindung Asia, Jepang pemimpin Asia." [1]