DNA and RNA each contain four nitrogenous bases. They have 5 not 4.
The process cells use to grow and replace old cells is mitosis.
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.
You have to first make some observations and then ask a question. Then you make a hypothesis (or guess) what the answer is - do the experiment to see if you're right!
Such plants are called vascular plants.