1.¿cuantos cromosomas tiene la célula x8 cromosomas? 2.¿cuantos pares de cromosomas homologo hay en 4 pares? 3.¿cuantos cromosomas tendran las células hijas después de mitosis x8 cromosomas?

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

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?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million