This is a maintenance category, used for maintenance of the Wikipedia project. It is not part of the encyclopedia and contains non-article pages, or groups articles by status rather than subject. Do not include this category in content categories.

This category for articles whose importance within molecular and cellular biology has been assessed on this scale. Place articles in these categories by typing one of the following on the article's Talk page:

{{Wikiproject MCB|class=XXX|importance=Top}}

{{Wikiproject MCB|class=XXX|importance=High}}

{{Wikiproject MCB|class=XXX|importance=Mid}}

{{Wikiproject MCB|class=XXX|importance=Low}}

See also Category:MCB articles by quality.