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In biochemistry and molecular genetics, an AP site (apurinic/apyrimidinic site), also known as an abasic site, is a location in DNA (also in RNA but much less likely) that has neither a purine nor a pyrimidine base, either spontaneously or due to DNA damage. It has been estimated that under physiological conditions 10,000 apurinic sites and 500 ...
Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".
Carbonic-acid. The mechanism of respiratory alkalosis generally occurs when some stimulus makes a person hyperventilate. The increased breathing produces increased alveolar respiration, expelling CO 2 from the circulation. This alters the dynamic chemical equilibrium of carbon dioxide in the circulatory system.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
LibreTexts' current primary support is from the 2018 Open Textbook Pilot Program award from the Department of Education Organization Act. [7] [10] [5] [11] FIPSE [12] Other funding comes from the University of California Davis, the University of California Davis Library, [5] and the California State University System both through MERLOT and its Affordable Learning Solutions (AL$) program.
The geological record indicates that this transforming event took place early in Earth's history, at least 2450–2320 million years ago (Ma), and, it is speculated, much earlier. [ 83 ] [ 84 ] Because the Earth's atmosphere contained almost no oxygen during the estimated development of photosynthesis, it is believed that the first ...
A full length CcmM protein consists of a gamma-carbonic anhydrase domain and three to five RubisCO small subunit-like domains (SSLDs) on its C-terminus. [49] The ccmM gene contains an internal translation site that produces a short form of CcmM which only consists of SSLDs; both long and short forms of CcmM are required for beta-carboxysome ...
Pyridinium refers to the cation [C 5 H 5 NH] +.It is the conjugate acid of pyridine.Many related cations are known involving substituted pyridines, e.g. picolines, lutidines, collidines.