Answer & explanation:
This acidity in our stomach is advantageous because it kills most bacteria and creates the ideal environment for the enzymes pepsin and gastric lipase to digest food.
The pH corresponds to the hydrogen potential of a solution, this potential can be classified as acid, basic or neutral.
Respuesta y explicación:
Esta acidez en nuestro estómago es ventajosa porque mata a la mayoría de las bacterias y crea el ambiente ideal para que las enzimas pepsina y lipasa gástrica digieran los alimentos.
El pH corresponde al potencial de hidrógeno de una solución, este potencial se puede clasificar como ácido, básico o neutro.
Answer:
It just seems like you're supposed to give four pieces of evidence of natural selection. If you're still confused, you can always ask your teacher.
Explanation:
Human chorionic gonadotropin (hCG) is secrete by the embryo early in pregnancy to keep the corpus luteum for dying. This positive feedback will maintain the corpus luteum, which secretes Progesterone and Estrogens throughout pregnancy, in order to keep the endometrium well to nourish the embryo/fetus.
Gene regulation is the control of when and where proteins are made.
Hope this helps :)
In oxidation, oxygen is needed to create a chemical reaction.