¿Qué sucedería si el nivel del estimulo umbral fuese muy alto?

What kinds of molecules can pass through the cell membrane without any problem?

Pls the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?