Andy's bio 10

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thinkrussia
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147104
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Andy's bio 10
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2012-04-11 20:01:06
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Andy's bio 10
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  1. What are centrioles
    • Specialized microtubule involved in spindle organization and are not bound by a membrane.
    • -animals have a pair of centrioles in the centrosome region.
    • -plant cells do not have centrioles.
  2. describe excretion in Authropods
    Nitrogen in form of Uric acid crystals accumulates in Malphigian tubules with mineral salts and then are transported to intestine with solid waste.
  3. What is amylase
    • (ptyalin)
    • hydrolyzes starch to maltose (disaccharide).
  4. Pelagic Zone
    Typical of the open sees
  5. What is Curare?
    • drugs that block the post-synatic acetylcholine receptors
    • leads to paralysis
  6. What are releaser pharamones?
    • Trigger a reversible change in recipient. (i.e. sex attractants; alarm or defensive substances)
    • Example: female silkworms secrete powerful attracting pheromones.
  7. What are Helper T Cells?
    When activated- secrete cytokines that promote the response of B cells (humoral response) and T cells (cell mediated response) to antigens.
  8. Function of Ligaments
    Bone-to-bone connectors
  9. Latent Period
    the time between stimulation and the onset of contraction.
  10. FSH
    (Follicle Stimulating Hormone)
    • In females- causes maturation of ovarian follicles which begin secreting estrogen.
    • In males- maturation of seminiferous tubules and sperm production.
  11. Cones
    (Eyes)
    • -respond to high intensity illumination
    • -sensitive to color
    • -3 pigments absorbs red, green, and blue
  12. Villi walls absorb these.
    amino acids and monosaccharides (both actively absorbed)
  13. During inhalation
    • Diaphragm contracts and flattens
    • External intercostal muscles contract- pushing the rib cage and chest wall up and out. Increasing volume and decreasing pressure.
  14. Small intestine
    • Don't Jump In
    • 1) duaodenum- most digestion occurs here (secretion also).
    • 2) Jejunum
    • 3) Ileum
  15. GnRH
    • Gonadotropin Releasing Hormone
    • stimulate or inhibit the secretion of the anterior pituitary.
    • Releasing Hormones are secreted into the hypothalamic-hypophyseal portal system.
    • Blood from the capillay in hypothalamus flows through a portal vein to Anterior Pituitary.
  16. Littoral Zone
    • region on continental shelf
    • ocean up to 600 ft. deep
    • can extend 100's of miles off shore.
  17. Phosphodiester bonds
    Hold together the backbone of DNA.
  18. Order of Synapse in the Eye
    • Photoreceptors-biploar cells-ganglion cells
    • Axons of the ganglion cells bundle to form the optic nerve.
  19. Na+/K+ pump
    Pumps 3 Na+ out of cell for every 2 K+ it transports in
  20. Transduction
    When fragments of a bacterial genome became packaged into viral progeny. These virions then infect other bacteria and introduce new genetic information.
  21. Prothetic groups
    cofactors which bind to the enzymes by strong covalent bonds.
  22. Gamma Globulin
    • The fraction of blood containing a wide variety of antibodies.
    • Can be used to confer temporary protection.
  23. Yellow Bone Marrow
    inactive and infiltrated by adipose tissue.
  24. Lymph Nodes
    Swelling along lymph vessels containing phagocytic cells (leukocytes) that filter the lymph
  25. MSH
    • Mylanocyte-stimulating Hormone
    • Secreted by intermed lobe of pituitary
    • Role unknown in humans
    • In Frogs- causes darkening of skin.

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