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C02 RECORDER

An instrument that analyzes and records the carbon dioxide percentage in flue gas exhaust.

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C1A INHIBITOR

Molecule counteracting the activity of the C1 complement activated esterase. Also affects some blood-clotting biological pathways. The molecule may be absent at birth or inactive in a small population, whereas normal presence in the blood limits effects of angioneurotic edema from esterase-generated vasoactive peptides.

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C3 PLANT

The majority of plants, within whom carbon dioxide uptake directly relates with ribulose 1,5 bisphosphate carboxylase oxygenase to create phosphoglyceric acid, the precursor to useful sugars consumed through the rest of the Calvin cycle.

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C3A, C5A

Protein fragments originating from C3 and C5 molecules, respectively, as they convert to enzymatic structure. The fragments can increase vascular permeability as they are chemotactic for leucocytes, and also induce anaphylactic properties releasing histamine from nearby mast cells.

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C3B RECEPTORS

Sites on cell membranes for affixing C3B, a derivative and active form of C3 or one of its decomposition molecules, C3BI or C3D. The receptors have three designations: CR1, CR2, and CR3, with CR1 holding utmost importance for phagocytes, B-Lymphocyes, granulocytes, and other mononuclear cells. This receptor aids in immune response and ingestion of complement-bound cells, and may modulate B-cell activation as well.

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C4 PATHWAY EVOLUTION

Changes in the C4 metabolic pathway where amino acids, aspartate C4 and alanine C3 replace malate and pyruvate in the shuttle process between cell types, and has independently surfaced in many angiosperms such as gramineae, Chemopodiaceae, and Euphorbiaceae.

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C4 PLANT

A plant that more efficiently metabolizes necessary carbon through the use of a malate or oxaloacetate shuttle mechanism between mesophyll and bundle-sheath cells. Angiosperm species preferring dryer climates, such as maize, are typical members of the C4 pathway, tending to have Krantz anatomy as well.

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C4, C4 PHOTOSYNTHETIC PATHWAY

Photosynthesis biological pathway whose carbon fixation products contain 4 carbons, as opposed to 3-carbon phophoclyceric acid.

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CA RVACROL

C6H3CH3(OH)(C3H7) contains an aromatic carbon ring and is classified as a monoterpenoid phenol. It melts near 0 degrees C and boils approximately 237 C, commonly occuring as the oil of thyme, with many synthetic pathways as well.

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CABIN

An underground, coal-mine fire station.

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