Hormone Signaling. The glands of the endocrine system secrete hormones directly into the extracellular environment. The hormones then diffuse to the bloodstream via capillaries and are transported to the target cells through the circulatory system.
A receptor refers to a protein molecule, which attains chemical signals from external of a cell. The receptor proteins are categorized by their location. On the other hand, the structural proteins refer to the fibrous proteins. One of the essential activity of the structural protein is to maintain the configuration of the cell.
In the nerve cells, the receptor proteins pick up signals of pain and structural proteins helps in maintaining the shape and configuration of the nerve cell.
Answer:
It makes lipids, phospholipids as in plasma membranes, and steroids.
Explanation:
Cristae are folds of the inner mitochondrial membrane. It takes place on the membrane as a part of the cellular respiration to create ATP.
So B, Cristae is your answer. <span />
