A raven's claws are made out of the protein keratin. Describe how this fact is related to the raven's genes.

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

explanation:

the sun shines white and black light to our planet. the white light has all the colors in it. in our upper atmosphere, we have dust particles and oxygen molecules. the white light meaning all of the colors in a rainbow shines through the upper levels of the atmopshere and the blue light scatters across the entire planet. that is why our sky is blue.

not sure if this is what you'r looking for prokaryotes have organelles hope this out at least.