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24 Cards in this Set

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The highest concentration permitted by law for the trace mineral selenium to be added to the diet is:
0.3 ppm
First make _________ _______ then can make plastics.
cellulose acetate
Cerumen (ear wax):
has antimicrobial and antifungal properties (cholestoral, saturated fatty acids, pH 6.1) protects against water, dust, pollen and insects;
People who do not talk allot have more _______ impactions
cerumen
Dendrochronology:
the counting of rings to determine the age
Caucasians/ Africans: sweat allot, _________ cerumen
oily/ waxy
Eastern Asians: ______ cerumen
flaky
Anthropologists mapped the migration of humans all over the planet by
type of ear wax
Cellulose and termites: stomach full of ________ organisms (similar to those that cause siphas in humans)
spirochete
Anaerobic gut contains >100 _______ ________ in gut
microbial species
Termites require ______.
moisture
Which lipid rancidity is toxic to animal/ animal cells?
oxidative
______ is the #1 enemy of lipids
oxygen
Reactive Oxygen Molecules:
1.Hydrogen peroxide H2O2
2.Hydroxyl radical OH
3.Superoxide Radical O2
ROM's attack:
PUFA (Poly Unsaturated Fatty Acids)
Peroxides
Affect nutrient uptake by intestinal cells
Decreased lactobacilli  increased E.coli
Hepatic cellular damage
Decreased hematocrit (red blood cells)
Antioxidants
React with ROMS so they don’t attack the feed stuffs
Retinol(Vitamin A): vision, skin integrity, Vitamin E,
ascorbic acid (Vitamin C): regenerates Vit E, butylated hydroxyanisole (BHA), butylated hydroxyltoluene (BHT)
Retinol(Vitamin A): ,
vision, skin integrity
BHT:
butylated hydroxyltoluene
BHA
butylated
hydroxyanisole
ascorbic acid (Vitamin C):
regenerates Vit E
Selenium Toxicosis AKA:
Alkali Disease
Selenium Toxicosis:
Caused by livestock eating seleniferous plants in the west that accumulate Se (50 ppm)
Which plant accumulate Se?
Two grooved milkvetch: Astragalus bisulcatus