The phrase "absence of challenges" is correct and usable in written English.
It can be used to describe a situation or condition where there are no difficulties or obstacles present.
Example: "The project was completed smoothly due to the absence of challenges throughout the process."
Alternatives: "lack of challenges" or "no challenges present".
If oversight is poor and expectations low, the problems are uniformly similar and depressingly predictable: a lack of strategy to help the weakest schools and an absence of challenge to the best".
Absence of challenge and meaning in work.
Caveolin-1 seems to be a good example of a gene that is regulated by corticosterone in absence of challenge and involved in permissive hormone effects.
Alternatively, these animals may constitutively express these stress response genes at inappropriate levels in the absence of challenge.
We observed that even in the absence of challenge, there are differences in the B-cell spectratypes between individuals (Fig. 1).
The current study did not identify smooth muscle or MHC II genes as differentially expressed between the lines in the absence of challenge and so shows that these genes are induced in response to challenge.
Particularly relevant to testing new drugs, morpholino-inhibition of G6PD synthesis has been titrated to a level at which there was no anaemia in the absence of challenge, but severe haemolytic anaemia developed when the embryos were exposed to primaquine.
Most notable is the fact that the old group has longer CDR3 regions than the young group, with significantly higher mean CDR3 values for IGHM genes at all three time points, indicating that the older people have longer CDR3 lengths even at baseline in the absence of challenge.
During fetus growth, in the absence of external challenges it is proposed that only one arm (Yang, tumorigenic) of immune surveillance is functional.
