Summarize the toxic Substances Control Act of 1976. Are there currently any similar federal and/or state laws in effect? Please include in your answer. The toxic Substance Control Act of 1976 (TSCA)‚ is the primary federal law that controls chemical management and risks for toxic exposure to the population. However‚ the TSCA over thousands of chemicals in commerce‚ over its existence‚ only regulated 5 chemicals or chemical classes. The TSAC states that the chemical company is responsible for its
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integral regulators in the development of normal breast tissue‚ however it also plays a role in cancer development and progression (Martin et al‚ 2000). Tamoxifen is known as a selective estrogen receptor modulator (SERM)‚ it has been the “mainstay of endocrine therapy in breast cancer” (Martin et al‚ 2000). Tamoxifen is effective when used against estrogen receptor positive (ER+) breast cancers‚ problems arise when the breast cancer is estrogen receptor negative (ER-). We took two cell lines‚ MDA MB 231
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stimulation by releasing hormones from the hypothalamus; called the master endocrine gland; releases 6 hormone products which all function via second messenger systems. Four of the six are hormones that regulate the functioning of other endocrine glands: thyroid stimulating hormone (TSH)‚ adrenocorticotropic hormone (ACTH)‚ follicle stimulating hormone (FSH)‚ and luteinizing hormone (LH) Remaining two affect non-endocrine targets: growth hormone(GH) and prolactin. Anterior Pituitary Hormones
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Psychological Schools of Thought Blake Blair Psychology 300 April 29‚ 2013 Fowler Psychological Schools of Thought Over the course of history many brilliant men and women have attempted to unlock the mysteries held in the Human mind. Whether these individuals felt they achieved their goals or not‚ there was a mutual goal shared by all of them. This achievement spanned over thousands of years‚ several fields of study‚ and millions of participants. What all these great minds discovered is one
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1. Biological psychologists are gaining a better understanding of our experiences of sights and sounds‚ meanings and memories‚ pain and passion. Franz Gall invented phrenology‚ a popular theory that claimed that bumps on the skull reveal our mental abilities and our character traits. Although wrong‚ this information revealed that various brain regions have specific functions. 2. A neuron consists of a cell body and branching fibers:The dendrite fibers receive information from sensory
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Chapter 14: Signal Transduction Mechanisms: Messengers and Receptors Signal Transduction Mechanisms: II. Messengers and Receptors In the second major means of intercellular communication the signal is transmitted by regulatory chemical messengers Receptors are located on receiving cells that can be quite distant from the secreting cell Chemical Signals and Cellular Receptors Cells produce signals‚ in some cases by displaying molecules on their surfaces or by releasing a chemical signal Multicellular
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The pancreas is a large organ located in the right upper quadrant of the abdomen. It is gladuale organ that is made up of tissues and ducts. This gland is part of the digestive systemin relation to the endocrine gland that is attach to the first section of the small interstine known as the duodenunm. When the process of digestion occur‚ the pancreas secretes pancreatic juice containg digestive enzymes to break down carbohydtes‚ protein‚ and lipids for nutritn absorption in the small intestine. The
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The danger of a snake in her house reminds the woman of the tough challenges she had to face a woman alone in the bush. She fought droughts‚ floods‚ bulls and drunk men. We learn about her personality and the girlish dreams she had before her marriage. Somewhere near dawn‚ she is finally able to catch the snake with the help of her snake dog‚ Alligator‚ and kills the one foot long snake. This is a story about life in the bush and the different challenges that a woman has to face without
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is involved in several functions including‚ arousal‚ automatic responses associated with fear‚ memory‚ emotional responses‚ hormonal secretions. 13. Pituitary gland A small endocrine organ that controls a multitude of important functions in the body. It is also known as the "master gland" because it directs other endocrine glands to induce or suppress the production of 14. hormones. Hypothalamus Part of the brain which produces hormones that control body temperature‚ hunger/thirst‚ mood‚ sex
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well known information. How is our population supposed to be conserving these resources if they are unaware that they are being so rapidly depleted? 2. BPA and other endocrine disruptors that can cause cancer and feminize males is a very important environmental issue. Chapter ten discusses the disruption of alligators endocrine systems. The video that we watched was extremely helpful. I knew that these products can be found in almost everything but not that they are so dangerous. 3. Air pollution
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