• Some of the most fundamental activities of life are inextricably entwined [or intimately associated (or connected, or linked)] with the properties of the lipids.

• Inexorably associated with,

• Indissolubly related to ...

• Deep scarring of the land goes hand in hand with open-pit mining of ores.

см. тж. со временем

• Such experiments will become more precise and more numerous as time passes.

• Since all machines wear, their defects worsen as time goes on (or by).

• Such optical binaries (stars) can be distinguished from real couples only in the course of time.

• In (or With) time some of these bacteria developed metabolic pathways that led to ...

• As time elapses, the concentration profiles take on a different shape.

• Over the years the electronic micrometer instruments have become more and more automatic.

• The magnetic poles of the Earth tend to move slowly with the passage of time.

• These substances have accumulated through time.

• The pole of relative rotation can change its position through time.

• These properties vary with time.