Delete Content. A plasma membrane is permeable to specific molecules that a cell needs. Transport proteins in the cell membrane allow for selective passage of specific molecules from the external environment. Each transport protein is specific to a certian molecule (indicated by matching colors).
The pancreas contains cells which release both insulin and glucagon. The endocrine system consists of a number of different glands which secrete hormones that dictate how cells and organs behave.
Causes of diabetes insipidus. Diabetes insipidus is caused by problems with a chemical called antidiuretic hormone (ADH), which is also known as vasopressin. ADH is produced by the hypothalamus and it's stored in the pituitary gland until needed.The hypothalamus is an area of the brain that controls mood and appetite.auses of diabetes insipidus. Diabetes insipidus is caused by problems with a chemical called antidiuretic hormone (ADH), which is also known as vasopressin. ADH is produced by the hypothalamus and it's stored in the pituitary gland until needed.