What are the short pieces of dna formed on the lagging strand are called?

Where in the cell are ribosomes made?

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false

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?