Sentence examples for except when present from inspiring English sources

C, G151 and D172 polymorphisms are also expected to return the correct PRNP genotypes except when present in AHCQ, AHGQ, ARRD, ARQD, AHQD172 and VRQD172 alleles, of which only C151 has been reported in the UK flock (at a frequency of 0.002) [ 18].

Except for the scar and fibrous septa when present, the enhancement of FNH is characteristically homogeneous.

The indolent lymphomas are considered incurable (except when they present with truly localized disease), whereas the aggressive and very aggressive types are curable.

He was able to demonstrate the existence of a repressor in the bacterium Escherichia coli that prevents a gene from manufacturing a certain enzyme except when lactose is present.

The peritoneal cavity is a virtual cavity that is not usually seen except when ascites is present.

In general, addition of sulfate and nitrate ions increases the activity of the enzyme except when they are present in conjunction with ammonium ions.

The buffer was similarly depleted of malate, except when inhibitors were present, as expected.

At high salt concentration, very little EL3'-11 dependent cleavage was detected except when Rnt1p was present (Figure 3D, lanes 12 15).

Furthermore, various combinations of the above-described substrates did not yield any methane production, except when methanol was present.

Presumably the domain is free to tilt except when ATP is present, holding the surfaces together or when the neck linker is wedged in position.

The patient was positioned with the head in extension except when CSI was present, when the head was maintained in the neutral position.