AYUDAAA... c) Indicar el conjunto de números cuánticos que sí es posible para un electrón en un átomo:
A) 2,2,0, +1/2 B) 3,2, -4, - ½ C) 4, 2, +3, +1/2 D) 3, 2, +2, -1/2

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

What is the role of dna ligase in the elongation of the lagging strand during dna replication?