What would happen if the glucose concentration within the blood plasma became 1.2%? what direction would water flow (in or out of the cell) and what would happen to the cell shape?

Water would flow out of the cells consequently leading to shrinking of the cells.

Explanation:

If the glucose concentration within the blood plasma became 1.2% then the blood plasma will be hypertonic with respect to the contents of the cells, that is the blood plasma will be highly concentrated compared to the cells. Water would flow out of the cells via osmosis (from their region of high concentration to their region of low of concentration) and thus the cells would shrink.

Frameshift mutations are due to either insertions or deletions of nucleotides

Explanation: Frameshift mutations result in abnormal protein products with an incorrect amino acid sequence that can be either longer or shorter than the normal protein.