Micronutrients- 2 Flashcards

1
Q

What is a process by which a substance loses one or more electrons?

A

Oxidation

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2
Q

What type of fatty acids are most susceptible to damage caused by ROS?

A

Polyunsaturated

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3
Q

What are a component in a phsopholipids that compose cell and organelle membranes?

A

PUFA

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4
Q

What is a fat-soluble vitamin but also has water solubility which allows integration into cellular membranes?

A

Vitamin E

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5
Q

What vitamin is reactivated by a selenium-containing enzyme, thioredoxin reductase?

A

Vitamin C

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6
Q

What vitamin is synthesized by plants, high in leafy greens?

A

Vitamin E

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7
Q

Vitamin E ________ with dietary fat and PUFA

A

Increases

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8
Q

What is an essential mineral in all animals?

A

Selenium

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9
Q

Glutathione peroxidase is an enzyme that _______ hydrogen peroxide to water and ______ lipid hydroperoxidases to alcohols

A

Reduces

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10
Q

What are vitamin E and selenium deficiencies called?

A

White muscle disease

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11
Q

Adequate selenium is required for __________ and sperm function in dogs

A

Testosterone

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12
Q

What is needed for normal thyroid function?

A

Selenium

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13
Q

What is a strong oxidant and a cofactor for the enzyme superoxide dismutase with neutralizes ROS molecules?

A

Copper

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14
Q

Copper is also a cofactor for tyrosine conversion to ________

A

Melanin

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15
Q

What oxidase is an enzyme important for collagen maturation?

A

Lysyl

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16
Q

What vitamin is important for coagulation?

A

K

17
Q

What is produced by the gut bacteria and why most foods do not require added vitamin K?

A

Menaquinone (K2)

18
Q

What vitamin treatment is required for anticoagulant poisoning?

A

K

19
Q

_____ diets for cats do require vitamin K supplementation

A

Fish