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BIOCHEMISTRY > MINERAL WATA > Flashcards

MINERAL WATA Flashcards

1
Q

they increase insulin receptor-mediated signaling

A

chromium

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2
Q

this mineral mediates deiodination of thyroxine to triodothyronine

A

selenium

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3
Q

functions of this mineral is to maintain fluid and cell integrity, acid-base balance and the conduction of cardiac muscle and nerve impulses

A

potassium

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4
Q

responsible for antagonizing the effect of Ca++ in CNS and CVS

A

Mg

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5
Q

calcium absorption is hindered by

A

oxalic acid

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6
Q

mineral involved in protein metabolism and oxidation reactions

A

molybdenum

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7
Q

mineral deficiency may result into impaired growth and development, skin lesions and loss of appetite

A

zinc

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8
Q

is osmoregulation a function of iron

A

oh hell naw

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9
Q

mineral that is considered important in maintaining electrical potential in nerves and membranes is

A

magnesium

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10
Q

mineral necessary for the clotting of blood. functions of certain enzymes and control of fluids through cell membranes

A

calcium

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11
Q

normal glucose metabolism requires

A

chromium/zinc

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12
Q

alcohol dehydrogenase from liver contains

A

zinc (PTCLAAS)

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13
Q

mitochondrial superoxide dismutase contains

A

zinc, copper, manganese, selenium

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14
Q

the deficiency of copper decreases the activity of the enzyme

A

lysine oxidase (FSLTCH)

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15
Q

mitochondrial pyruvate carboxylase contains

A

manganase

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16
Q

iron transport is mainly regulated by

A

hepcidin

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17
Q

the mineral deficient in keshans disease is known to be a cofactor of this enzyme

A

iodothyroninedeiodinase

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18
Q

mineral required as a constituent of B12

A

cobalt

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19
Q

molybdenum, copper and nickel are

A

essential cation trace elements

20
Q

is molybdenum-xanthine oxidase correctly paired

A

yes

21
Q

zinc level in the prostate gland is said to be preventive of prostate cancer because it

A

stimulates expression of BAX gene that increases caspase cascade

22
Q

an endemic disease of cardiomyopathy in children is attributed to which mineral

A

low Se in the environment

23
Q

cofactor in melanin production

A

copper

24
Q

enzyme-controlled energy yielding reactions of metabolism

A

phosphorus

25
Q

utilization of iron and in hemoglobin synthesis

A

copper

26
Q

wilsons disease is an example of copper

A

toxicity

27
Q

menkes syndrome is an example of copper

A

deficiency

28
Q

antioxidant property is seen where

A

Zn,Cu,Mg(superoxide dismutase) and selenium(glutathione peroxidase)

29
Q

metallothionein is a binding protein both for

A

zinc and copper

30
Q

increase in zinc decreases ____ in order for estrogen conversion to decrease

A

aromatase

31
Q

HFE GENE is located in chromosome

A

6

32
Q

most numerous cation

A

calcium

33
Q

most numerous anion

A

phosphorus

34
Q

most numerous essential trace element

A

iron

35
Q

contains FERRIC REDUCTASE

A

Duodenal cytochrome B

36
Q

master regulator of iron

A

hepcidin

37
Q

contains the eznyme ferrous oxide

A

hephaestin

38
Q

what downregulates ferroportin

A

hepcidin

39
Q

what will increase your hepcidin

A

lipopolysaccharides, inflammatory mediators, increase ferrous in blood, hemochromatosis gene
(LPS,IL-6, increase Fe++ and HFE gene)

40
Q

what will happen to iron in the blood if hepcidin is high

A

decreased of iron

41
Q

decreased ferroportin

A

low iron level in blood

42
Q

movement into zincosomes

A

ZNT

43
Q

movement out of plasma

A

ZNT

44
Q

major signaling molecules to boost immune system

A

kinases, protein phosphatases, transcription factors

45
Q

Mn-superoxide dismutase is found

A

in the mitochondrial matrix

46
Q

treatment for copper toxicity(wilsons)

A

penicillamine

BIOCHEMISTRY (31 decks)

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