The Identification of Gene Products in a Gene Library. Restriction enzymes (to cut the DNA) and gel electrophoresis (to separate the resulting fragments) can be used to produce a physical map of DNA segments in a process known as restriction mapping.
Estrogen pills may be prescribed to lessen the symptoms of menopause, like hot flashes. Estrogen is used in birth control pills to prevent conception. The thickness of the endometrium changes along with the female's menstrual cycle. Older women may have an estrogen deficiency as they begin menopause.
1 Estrogens are a group of steroid compounds, named for their importance in the estrous cycle, and functioning as the primary female sex hormone. 2  Estrogens are used in some oral contraceptives, in estrogen replacement therapy for postmenopausal women, etc. Synthetic progestogens are usually referred to as 'Progestins'. 2  Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex. 3  Corticosteroids are involved in the regulation of inflammation, metabolism and behavior.