Enuncié una forma en la el receptor de insulina se relaciona con su papel en la comunicación celular?

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

How secretion and excretion both are different? explain in simple language.