Within a double-stranded dna molecule, adenine forms hydrogen bonds with thymine and cytosine forms hydrogen bonds with guanine. this arrangement

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.

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?

If a grape were placed in a hypertonic solution what would happen and why?