Explain how the structure of a plant cell helps the plant system maintain its shape.

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Which enzymes break down carbohydrates?