[Recalls] Myoglobin And Hemoglobin, Porphyrin, Bilirubin, Nucleoside Flashcards

1
Q

Methemoglobin

A

Ferric ion

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2
Q

Guanine and adenine free nucleotides

A

Hypoxanthine, xanthine and uric acid

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3
Q

N1

A

Pyrimidine

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4
Q

N9

A

Purine

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5
Q

Wrong statement

A

Release of 02 from myoglobin na at 20 mmHg tissue

*Must be 5 mmHg

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6
Q

Mononucleotides

A

Phosphoryl group esterified to hydroxyl group

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7
Q

Anhydride bond

A

Nucleoside di/triphosphate

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8
Q

Nucleoside triphosphate

A

High group transfer potential

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9
Q

Fetal Hgb

A

2 alpha

2 gamma

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10
Q

Physiologic function of nucleotides except:

A

Carboxylation and deamination

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11
Q

Sugar linked to heterocyclic base

A

B-N glycosidic bond

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12
Q

Phosphodiester bond

A

Nucleotides

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13
Q

Example of nucleoside

A

Guanosine

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14
Q

Increase in O2 binding if there is an O2 bound already

A

Cooperative binding

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15
Q

ALA -> PBG

A

ALA dehydratase

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16
Q

Porphyrin ring

A

Hydrophobic

17
Q

Heme oxygenase

A

ER

18
Q

CO content of expired air

A

Heme oxygenase

19
Q

UDP glucoronyl transferase

A

Bilirubin conjugation

20
Q

Biliverdin

A

Blue green

21
Q

Facilitated transport system

A

Hepatocellular uptake

22
Q

What will happen to albumin after transporting?

A

Remains in plasma

23
Q

Repository site of heme

A

RBC

24
Q

Iron porphyrin degradation

A

Liver

25
Q

Thalassemia

A

Imbalance of globin chain synthesis

26
Q

Hb M

A

His F8 replaced by tyrosine

27
Q

Bohr effect

A

Protons and pH

28
Q

5th His residue

A

Prox His F8

29
Q

Colorless

A

Urobilinogen

30
Q

Color of feces

A

Stercobilin

31
Q

Relaxed state except

A

D

32
Q

Deoxygenated state

A

Fe2+ out of plane

33
Q

P50 concept

A

PO2 that saturates 50 and Hgb

34
Q

Hypoxic tissues will trigger the production of:

A

2,3 DPG

35
Q

Sugar attached to base

A

Nucleoside