Acciones cuales corresponden la digestión mecánica y cuales a digestión química. a. carlos tiene en su boca un b. maría toma una píldora para el dolor de c. el alimento se deshace en la boca gracias a la d. los alimentos que están en el estomago se convierten en nutrientes por acción de los jugos gá

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

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?

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different