Hormones are any member of a class of signaling molecules in multicellular organisms, the job of hormones in a body is to be messengers and controlling and corddinating things in the body peptide hormones is the molecular structure of hormones . Amino acids is what they are composed of. The ovaries and the testes are organs that produce hormones
Mixotrophes! because they are autotrophes and heterotrophes in one :)
The answer is: 25
Explanation:
#25 is the atomic number for Manganese (Mn).
Answer:
React on cell surfaces, catalyze reactions.
