A diffusion process is a solution to a stochastic differential equation
In eukaryotes, gene regulation occurs at the level of transcription with the help of certain regulatory proteins.. Activator proteins encourage binding of theRNA polymerase to the promoter
activator protein is a <span> </span><span>protein</span><span> </span><span>that</span><span> </span><span>stimulates</span><span> </span><span>the</span><span> </span><span>expression</span><span> </span><span>of</span><span> </span><span>a</span><span> </span><span>gene.</span>
Abiotic factors include all the non living things present in the environment. Logs were part of a living tree and so it cannot be considered as an abiotic factor. Although the log is dead now, but it was part of a living thing before. I hope that this is the answer that has actually come to your desired help.
Answer:
Your answer should be... Without them, complex organisms cannot perform different functions.
Flatworm get most of their oxygen through diffusion.