Meet. /vss-dkir-kfy interested only

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

yes we can.   a lady urinates from her urethra.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.