What is the location of cellular respiration? a. chloroplast b. chlorophyll c. mitochondria d. sunlight

What is the problem in this article? what solution does the article propose?

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).

In general, are there any major differences that you can see? explain