Viruses can only be studied in detail using a(n) .

light microscope
magnifying glass
compound microscope
electron microscope

How is transcription similar to translation in terms of base pairing?

In which state was more than 100 billion tons of coal mined in 2005?

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?