question archive A student places a living cell into a beaker containing a 10% starch solution
A student places a living cell into a beaker containing a 10% starch solution
Subject:BiologyPrice: Bought3
A student places a living cell into a beaker containing a 10% starch solution. She measures the concentration of starch in the solution after 30 min, and notices that the concentration has increased significantly. Explain what is happening using terms learned in the course. Be sure to identify how the concentration inside the cell compares to the concentration outside the cell.
2 points
2.Why is it safe to inject a solution of 5% glucose directly into a vein, but not a solution of 2% glucose? Discuss what would happen to cells, if an IV was administered to a patient with a 2% glucose solution. Use terms learned in the course.
3.
The active transport pump used to move sodium ions across the membranes of gill cells in a freshwater fish has each of the following characteristics EXCEPT:
1 point
It has a specific binding site for ATP.
It requires energy.
It is a protein.
It uses osmosis to carry sodium ions into the cells.
It has a specific binding site for sodium ions.
4.
1 point
cytoskeleton
golgi apparatus
plasma membrane
nucleus
vacuoles
