Red blood cell production is regulated by the hormone A) ...

[vicotolentino]

Red blood cell production is regulated by the hormone
 A) thymosin.
  B) angiotensin.
  C) erythropoietin.
  D) thymopoietin.
  E) renin.

Question 2

An ion that is a necessary component of high-energy compounds and nucleic acids and a structural component of bone is the ________ ion.
 A) chloride
  B) sulfate
  C) phosphate
  D) bicarbonate
  E) iodide

[epscape]

Answer to Question 1

C

Answer to Question 2

C

[vicotolentino]

Gracias!

[momolu]

Thanks for the timely response, appreciate it