Answer:
a. First messenger hormone docking with plasma receptorb. Activated protein kinase enzymes
Explanation:
They activate kinase for nuclear transcription
They change the cell membrane structure to induce single transduction pathway
If a star moves towards you its light "blue shifts".
The placement of the genes on the parent chromosones - B.
<span>The reason for this is that if the parents of the kittens are heterozygotic individuals (Pp and Pp). Where P being one colour and p being another colour, it's quite possible that some of their litter have the pp allele combination which in turn could make them a different colour
</span>