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Symbol for the increase in rate of a process produced by raising the temperature 10°C; rate of contraction of an excised heart approximately doubles for every 10°C (that is, Q10 = 2).
Farlex Partner Medical Dictionary © Farlex 2012


A gene on chromosome 8q24 that encodes a protein required for RNA-mediated gene silencing by the RNA-induced silencing complex (RISC), binding to short RNAs, such as microRNAs or short interfering RNAs, and represseing the translation of mRNAs complementary to them. EIF2C2 lacks endonuclease activity and does not appear to cleave target mRNAs. It is required for transcriptional gene silencing of promoter regions which are complementary to bound short anti-gene RNA through inhibition of translation, independent of endonuclease activity.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.



temperature coefficient

a measure of the rate of increase in METABOLIC RATE over a 10-degree range in temperature. Thus if an organism has a metabolic rate at 10 °C of T units, a rate of twice T units at 20 °C, the Q10 = 2. A Q10 of 2 is the typical exponential increase in rate exhibited by enzymes up to a certain maximum rate, after which DENATURATION occurs faster than increase, causing an overall reduction of the rate.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
In total, Sesderma's Resveraderm Cream helps to replenish moisture, recover luminosity and even out skin tone with its formula of resveratrol, retinol, coenzyme Q-10, vitamin C and E.
The cosmetic-grade gel mask contains green tea leaf extract, coenzyme Q-10 and vitamin E, and it is designed to visibly moisturize while lifting and firming the skin.
NBI agent Paul Andrew Soriano arrested Abdurahan Bantulan of stall D-79, Nuriyah Julwadi of stall Q-10 and Susan Tan of stall D-01, based on a complaint by Mighty Corp., a Filipino-owned cigarette manufacturer.
J-10 suited is marginally considered superior to Q-10 in 10-handed play.
Along with skin-rebooting Q-10 this has lotus extract to firm and smooth any 'orange peel' skin.
Tired cancer patients and survivors often turn to that and other dietary supplements such as Coenzyme Q-10, L-Carnitine and guarana, but not all are supported by evidence.
Focus is designed to enhance memory and is formulated with potent herbs and blue-green algae, with an added compliment of B Vitamins, Coenzyme Q-10, DHEA, Acetyl L-carnatine, Citicoline, and Phosphatidylserine.
The enzyme activator, Q-10, is the main chemical for the production of ATP.
lCo-enzyme Q-10, 60-100mg taken twice daily with food, may enhance blood pressure lowering in people who are on meds for hypertension.
Coenzyme Q-10 (30-200 mg/day) a powerful antioxidant that also increases cellular energy and lowers serum cholesterol levels.