This information is used to determine the density of the air entering the combustion chamber (in conjunction with the IAT (Intake Air temperature) sensor), which is used when calculating the proper air/fuel mixture for the engine, especially at WOT since the system is not in closed-loop at this time.
The TTR gene provides instructions for producing a protein called transthyretin. This protein transports vitamin A (retinol) and a hormone called thyroxine throughout the body. To transport thyroxine, four transthyretin proteins must be attached (bound) to each other to form a four-protein unit (tetramer).
A single tropomyosin molecule blocks seven binding sites on the actin molecule. It does so with the assistance of a protein complex called troponin, which is actually three proteins, each of which plays a different role in blocking or initiating muscle contraction. third type of troponin, troponin C, helps the process of contraction to begin all over again by attaching to calcium ions. It is the release of these calcium ions from channels inside the muscle cell that stimulates contraction.