What would happen if a light source is placed under a plant

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Dna replication or repair occurs in a cell in all of thw following situations except when