DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode.
I don't know Spanish but I would like to answer it in Spanish !!
Debido al exceso de carbohidratos y lípidos, el nivel de colesterol aumenta y la presión arterial aumenta! Y debido a esto, muchas enfermedades pueden desarrollarse!
This diagram could represent a B.
protein because if you look at the bonds you will see an R group and R groups are typically found in proteins.
Here one of the answer Red Cedar Tree