1. List 2 abnormalities noticed in the alligator population. 2. Name 2 diseases/

Question

1.                  List 2 abnormalities noticed in the alligator population.

2.                  Name 2 diseases/abnormalities scientists are concerned about in European human males.

3.                  What is the name of the cells that linked concerns for scientists? Where are they found and what is their function?

4.                  What is the hormone at the center of the controversy?

5.                  What was the source of the xenoestrogen in Lake Apopka? What are xenoestrogens?

6.                  Name two common compounds that mimic estrogen and where they are found?

7.                  How do estrogen mimics work once they enter the body? (four ways – name two)

8.                  What seems to be the link between accelerated growth in breast cancer tissue cultures and plastics?

9.                  How are humans exposed to estrogen mimics? (Name two ways)

10.              The estrogen mimics are not in the water of the Great Lakes or the Florida lakes. Where are they?

Words you may need: Nonyl phenol, sertoli cells, estrogen, testes, endocrine, reproductive, hermaphrodites, intersex, hypospadias, vitellogenin, ethynol, estradiol.

Explanation / Answer

1. Hypospadias; reduced penises; production of female hormones by their testes .

2. Intersex; a person is born with a reproductive or sexual anatomy that doesn't seem to fit the typical definitions of female or male. Malformed sperm; low sperm counts; testicular cancer; malformed male gentalia (Testicular non descent).

3. Sertoli cells are the somatic cells of the testis that are essential for testis formation and spermatogenesis. It is specifically located in the convoluted seminiferous tubules .

4. estrogen

5. Xenoestrogens are a type of xenohormone that imitates estrogen. They can be either synthetic or natural chemical compounds. Calfane pesticide.

7. vitellogenin secreted by the liver of female and Xenoestrogens located in epithelial cord. esteradiol

8. Nonyl phenol

9. Drinking caffine and at work or at home.

10 Xenoestrogens are a type of xenohormone that imitates estrogen. Synthetic xenoestrogens are widely used industrial compounds, such as PCBs, BPA and phthalates.estrogenic substances produced internally by the endocrine system of any organism. Natural xenoestrogens include phytoestrogens which are plant-derived xenoestrogens.

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