What happens to many pathogens that enter your mouth? A. your teeth chews them
B. Food destroys them
C. your tongue smashes them
D. enzymes destroy them

How are gene and protein sequences used to classify organisms?

Which of the following statements are true chromosomes make up genes

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).