Gas exchange because each stoma in the leaf can be opened or closed. In the light the guard cells aboard water and become turgid and the stoma opens
Answer:
Explanation:
Spongy bone is also called cancellous or trabecular bone. It is found in the long bones and it is surrounded by compact bone. ... Trabeculae are spaces created in the tissue by thin areas of osteoblast cells. As a result, trabecular bone has about 10 times the surface area of compact bone.
The breakdown of molecules by food enzymes and acid in the stomach
Water and ATP energy
where carbon dioxide is a waste product and is released into the atmosphere.
Answer:
A <u><em>receptor</em></u> is a protein that recognizes and responds to a signal.
Explanation:
A receptor is a protein molecule present on the cells on which the signalling molecules can bind and generate a physiological response. Some receptor molecules can also respond to Sun and light. Each type of cell has specific receptors molecules and hence can respond to specific signals. The receptor molecules hence tend to receive signals for a cell. Molecules such as hormones bind to the receptors.
