<span>A gene contains all the information needed to build a unique human being.
Genes contain DNA and traits and so on. Genes make up chromosomes.
</span>
Answer: The esential aminoacids are: phenylalanine, valine, threonine, tryptophan, methionine, leucine, isoleucine, lysine, and histidine
Explanation:
thank you.
B.)They need to be able to use a cash register to complete customer transactions
