The phrase "a very slight level" is correct and usable in written English.
It can be used to describe a minimal degree or amount of something, often in contexts like measurements, assessments, or evaluations.
Example: "The experiment showed a very slight level of improvement in the participants' performance."
Alternatives: "a minimal level" or "a negligible level".
Transcript coverage showed a moderate 3' bias, particularly among long transcripts, attributable to only very slight levels of degradation in these samples together with two rounds of poly-A+ RNA selection (Fig. 1B).
Three other plastid-encoded transcripts (psbA, atpA, and atpB) showed only very slight levels of amplification (0.2 – 0.3 fold above the averaged background value).
In addition, very slight levels of the LePT2 transcripts were also detectable in stems, flowers and fruits at green and ripe stages under low Pi supply condition.
It should be noted that within the Bienertia chlorenchyma cells, both rbcL and RLSB proteins showed very slight levels of detection within the PCC, possibly due to very low levels of accumulation, or possibly background levels of reaction within these chloroplasts.
The team said its experiment showed that there was a very slight warming at ground level and that it was localised to within a wind farm's perimeter.
In Fbxl7 mutant clones, there is, at best, a very slight elevation of Ds levels.
Chl A content was recorded maximum in control plants (9.85 mg g−1 FW) whereas 0.4 mM and 0.6 mM Cd showed a very slight variation in Chl A level, where 0.6 mM Cd contained more Chl A (4.95 mg g−1 FW) as compared to 0.4 mM Cd treatment (4.08 mg g−1 FW).
Ablation of both ABI1 and ABI2 (ABI1/ABI2) was associated with a very slight reduction in F-actin levels in control cells, consistent with a requirement for ABI1/ABI2 in the WRC.
Among the 26bp tags assigned to drought stress-related CYPs, hits to CYP707A family (STCa-23852) which harbours ABA 8'-hydroxylases (key enzymes in ABA-catabolism;[ 23]), revealed a very slight up-regulation (almost constitutive levels), indicating that the turnover of ABA is already active under our experimental condition and time-points.
