A is a protein on a cell that has a site to which a specific hormone can bind. When the target tissue decreases the number of these that are available to the hormone, this is called . Multiple Choice

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.

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

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.

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.