You watch a scientist dissolve some sugar in a liter of water and then place some of this solution into a dialysis bag, tying both ends shut. The she places the bag into a beaker of
distilled water. What word best describes the solution outside of the bag?

Hypotonic

Explanation:

The tonicity of a solution describes its solute composition and its ability to exert osmotic pressure on a membrane. A solution can attain three tonicity states viz: hypotonic, hypertonic and isotonic.

A solution is said to be HYPOTONIC if its solute concentration is lesser than that of its surrounding environment. In other words, the concentration of solute in the solution is lower in comparison to another. This is the case of the solution outside the dialysis bag.

The solution inside the dialysis bag contains more concentration of solute because of the sugar placed in it. The solution outside the bag contains distilled water with no solute, hence, it is HYPOTONIC to the solution inside the bag.

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during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.