Halp me 2. what two substances make the backbone of the dna molecule? i will mark brainliest to first correct answer within 20 minutes, since my quiz is timed.

The use of dna as evidence in criminal investigations became possible because of the

What are some aquatic organisms that live in cold water temperatures?

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule