Answer:
El trifosfato de adenosina, o ATP, es una molécula pequeña relativamente simple. Esta puede ser considerada como la principal moneda energética de las células, así como el dinero es la principal moneda económica de las sociedades humanas.
Explanation:
The answer to 3 is B. Moon
An individuals head with the similarity of a frog mind or has no throat.
Secondary structure of protein.
in seconday structure, the polypeptide chain is spirally arranged in linear form.
Teriary structure of protein
In tertiary structure the polypeptide chain is arranged in three dimension.
Quaternary structure of protein
In this structure more than one polypeptide chain are arranged in three dimension forming a globular shape.