Several molecular mechanisms of antibacterial resistance exist.

Several proteins are involved, but two main methods of regulation have been identified: targeting mitochondria functionality, or directly transducing the signal via adaptor proteins to the apoptotic mechanisms.

Several concepts that provide alternative definitions for the reaction mechanisms involved and their application in solving related problems exist.

Several mechanisms have been proposed through which warmth builds up in equatorial Pacific surface waters, and is then dispersed to lower depths by an El Niño event.

Several Perl modules available from CPAN provide serialization mechanisms, including and.

Several mechanisms have been proposed in the literature.

Several other filling mechanisms were introduced to compete, such as the coin-filler ( where a ' coin ' or ' medallion ' was supplied along with the pen ) match-filler using a matchstick and a ' blow-filler ' which unsurprisingly required the pen owner to blow into the barrel to depress the internal sac.

Several mechanisms are thought to be operative in the pathogenesis of autoimmune diseases, against a backdrop of genetic predisposition and environmental modulation.

Several mechanotransduction mechanisms have been proposed as reasons for the response of tenocytes to mechanical force that enable them to alter their gene expression, protein synthesis, and cell phenotype, and eventually cause changes in tendon structure.

Several mechanisms that are intended to incent new investment where it is most needed by offering enhanced capacity payments ( but only in zones where generation is projected to be short ) have been proposed for NEPOOL, PJM and NYPOOL, and go under the generic heading of " locational capacity " or LICAP ( the PJM version currently 2006 under FERC review is called the " Reliability Pricing Model ", or " RPM ").

Several mechanisms are thought to contribute to this effect.

Several different psychological and psycho-physiological mechanisms for blushing have been hypothesized by Crozier ( 2010 ).

In 2006 Hera Flor ( Clinical Neuroscience, University of Heidelberg ) stated that " Several studies, including large surveys of amputees, have shown that most currently available treatments for phantom limb pain, which range from analgesic and antidepressant medication to stimulation, are ineffective and fail to consider the mechanisms that underlie production of the pain ".

Several different mechanisms have been proposed to describe the manner in which the material is removed.

Several of these mechanisms may also apply to countries of similar systems.

Several cognitive mechanisms that explain cultivation effects have been put forth by Shrum ( 1995 ; 1996 ; 1997 ).

Several other types of firing mechanisms exist, like rotating internal firing pins ( Robbins and Lawrence, Comblain ), rotating firing pins on a hammer ( Sharps, Grunbaum ) or multiple firing pins ( Martin ).

Several other mechanisms were proposed as well, each with their own problems.

Several mechanisms have been suggested as responsible for the formation of the Altiplano plateau ; theories try to explain why the topography in the Andes incorporates this large area of low relief at high altitude ( high plateau ) within the orogen:

Several studies seem to suggest that the mechanisms underlying their evolution may at least in part differ, with consequently possibly different clinical implications.

Several manufacturers offer similar locking mechanisms that do not require a special lock hole.

Several different mechanisms have been used for image stabilization.

Several dynamic oceanic mechanisms and SST-air feedback may contribute to the observed decadal variability in the North Pacific Ocean.

Several kinds of file-locking mechanisms are available in different flavors of Unix, and many operating systems support more than one kind for compatibility.

Several organizations, such as the American Association of Variable Star Observers and Center for Backyard Astrophysics, exist to help coordinate these contributions.

Several possible causes exist for these patterns of neurological dysfunction.

Several major cities exist either in the Andes or in the foothills, among which are Bogotá, Medellín and Cali, Colombia ; Quito, Ecuador ; Mérida, Venezuela ; La Paz, Bolivia ; Santiago, Chile, and Cusco, Peru.

Several offences of assault exist in Northern Ireland.

Several ways of implementing this exist, and hot-wire devices can be further classified as CCA ( constant-current anemometer ), CVA ( constant-voltage anemometer ) and CTA ( constant-temperature anemometer ).

Several allotropes of boron exist: amorphous boron is a brown powder and crystalline boron is black, extremely hard ( about 9. 5 on the Mohs scale ), and a poor conductor at room temperature.

Several substyles exist, including maibock or helles bock, a paler, more hopped version generally made for consumption at spring festivals ; doppelbock, a stronger and maltier version ; and eisbock, a much stronger version made by partially freezing the beer and removing the water ice that forms.

Several rating scales for the screening and evaluation of bipolar disorder exist, such as the Bipolar spectrum diagnostic scale.

Several methods exist to compute the value of without actually expanding a binomial power or counting k-combinations.

Several Hui restaurants serving Chinese Islamic cuisine exist in Los Angeles.

; Epiphenomenon / zombie reply: Several philosophers argue that consciousness, as Searle describes it, does not exist.

Several transcriptions exist.

Several different techniques exist to study cells are

Several hypotheses exist.

Several dialects of West African English exist, with a lot of regional variation and some influence from indigenous language.

Several incomplete sets of this form of croquet are known to exist, and one complete set is still used for demonstration games in the West of Scotland.

Several free and open source animation software applications exist as well.

Several versions exist, though they all have the same basic premise, that of a set of instructions given by the Great Goddess to her worshippers.

Several kinds of cytochrome exist and can be distinguished by spectroscopy, exact structure of the heme group, inhibitor sensitivity, and reduction potential.

Several variants of democracy exist, but there are two basic forms, both of which concern how the whole body of citizens executes its will.

Several laboratory scale techniques for distillation exist ( see also distillation types ).

Several products exist to support such databases.

Several normal forms exist with different properties.