Identify how a hormone molecule performs its function? formation of mRNA in the nucleus.

initiation of DNA replication because of a signal given by the hormone.

secretion of hormone by tissue.

synthesis of protein molecule by mRNA and tRNA.

binding of the hormone molecule with its receptor of the cell.

secretion of protein by the cell

it is a. i hope this .

reflection is the bouncing back of a propagating wave when it encounters a barrier; usually shows an image of the source of light wave

1) bounces back from an opaque material

2) bounces back from the boundary

3) seen in mirrors

refraction is the bending of a propagating wave having a shift of direction as it passes through different media; usually seen in lenses to magnify or lessen

1) passes through a prism

2) moves from one medium to another

3) seen in lenses