Answer: Option E) polar
Amino acid-derived and peptide hormones are unable to diffuse across a cell membrane because they are polar
Explanation:
Amino acid-derived and peptide hormones such as serotonin, epinephrine, dopamine etc, are unable to diffuse across a cell membrane because they consist of several repeating units of amino acids with positively charged or negatively charged side chains.
Thus, the side chains make these hormones water-loving (hydrophilic), and impassable to the hydrophobic layer of the cell membrane.
Answer:
I would type it up, but I decided to insert a picture.
Explanation:
Answer:
a taiga es un bioma con inviernos largos y fríos, sus veranos son cortos ... es de aproximadamente 33 pulgadas, y a menudo no tienen la cobertura de nubes, ... Como resultado, muchos de los animales en esta zona, a menudo, sufren de ... en la naturaleza · Atmósfera Terrestre: Composición, Importancia y Capas ...
Explanation:
the nucleus divides during Mitosis
the cytoplasm divides during cytokinesis
dna replicates in interphase