Hi
The answer is : They are complex chemical reactions
I hope that's help !
I hope my answer is one of the choices :)
Answer:
It is used by every living cell
Explanation:
edge 2020
Answer: Through their Respitory and Digestive Systems.
Explanation: Organisms breathe in order to get necessary oxygen into the body as well as consume foods and liquids in order to get all the other nutrients required to make energy. Energy is created with these nutrients through individual cells in a form called ATP.
The right answer is It connects amino acids.
Amino acids are the building blocks of proteins.
• There are 21 amino acids, but only one type of binding used to connect them: it is the peptide bond.
• The peptide bond is formed during the translation step by a covalent bond between an α-amino group of an amino acid and the carboxylic group of another amino acid. A molecule of water is eliminated.