The project demands a subject with an extraordinary amount of documentation-on the biochemical level.

Lark knew little about the biochemical level, but from fossils he was sure the genus hadn't changed much in a hundred million years.

"One of the major goals we have is to really identify how the normal blood-brain barrier is regulated on a biochemical level," he said.

This may be responsible for the various dose related responses at the physiological, behaviorial and biochemical levels.

At the biochemical level, all organisms are more similar than they are different.

AS treatment used nanobotic techniques to eliminate aging effects directly, at the biochemical level, but did not challenge the genes directly.

"This article provides strong evidence that vitamin D is altering the immune system and preventing asthma at a biochemical level," he says.

Asterales share characteristics on morphological and biochemical levels.

If they are going to affect the body's functioning, they also must act through the biochemical, metabolic level.

Forms of life that are incredibly different superficially are all but identical on the biochemical level.