[Recalls] Prelim exams - Avengers

Question 1

Alternative glucose transport

Answer 1

Glut 4

Question 2

Thyroid hormone with iodine residues at 3,3’ and 5’ of the aromatic rings

Answer 2

T3

Question 3

Fetal hemoglobin subunits

Answer 3

2 Alpha

2 Gamma

Question 4

Arginosuccinate formed by aspartate and ________.

Answer 4

Citrulline

Question 5

Amino acid with 4 nitrogen radicals

Answer 5

Arginine

Question 6

Amino acid composed of tripeptide GCE

Answer 6

Glutathione

Question 7

Unusual of glutathione

Answer 7

Presence of sulfur in Cys

Question 8

A derivative of tryptophan

Answer 8

Serotonin

Question 9

Defect in the branched chain a-keto acidic dehydrogenase

Answer 9

Maple syrup urine disease

Question 10

Deficiency of this vitamin will lead to increase excretion of formimino glutamate in the urine

Answer 10

Folic acid

Question 11

Intestinal lipase hydrolizes this to glycerol and fatty acids

Answer 11

1-monoacyl glycerol

Question 12

Biosynthetic catabolic intermediate of cystein needed to form taurin

Answer 12

Cystein sulfinate

Question 13

Atypical phenoketonuria type 3

Answer 13

Defect in dihydroxybiopterin reductase

Question 14

True of P50 except:

Answer 14

It is the partial pressure of O2 that half saturates myoglobin for good storage

Question 15

True of P50 except:

Answer 15

It is the partial pressure of O2 that half saturates myoglobin for good storage

Question 16

Serine can be converted back to its intermediate:

Answer 16

3-phosphoglycerate

Question 17

Glucosidic 4 carbon amino acid

Answer 17

Threonine

Question 18

Rate limiting step in the synthesis of LC-PUFA

Answer 18

Desaturase

Question 19

Methemoglobinemia

Answer 19

1. Intake of excess antioxidants
2. Genetic deficienct in NADH-dependent methemoglobin reductase system
3. Inheritance of HbM

Question 20

Removal of a-amino nitrogen by transmanination catalyzed by an aminotransferase is the first catabolic reaction of most of the protein amino acids. The exceptions are:

Answer 20

1. Proline
2. Hydroxyproline
3. Threonine
4. Lysine

Question 21

Arachidonic acid

Answer 21

20:4w63

Question 22

Completes digestion of proteins

Answer 22

Dipeptidase

Question 23

ORESOL

Answer 23

SGLT

Question 24

Found in the mitochondria

Answer 24

Carbamoyl phosphate synthase

Question 25

Ketogenic

Answer 25

Leucine and lysine

Question 26

Point in Redinger RN triangle

Answer 26

Bile 80% Chole 5% Phosphatidylcholine 15%

Question 27

Carbohydrate with a-1,6 glycosidic bond

Answer 27

a-limit dextrin

Question 28

If methionine is scarce:

Answer 28

Homocysteine is remethylated to methionine

Question 29

PKU Type III

Answer 29

Defect in dihydrobiopterin reductase

Question 30

Rate limiting enzyme activator in urea cycle

Answer 30

N acetyl glutamate

Question 31

Substrate that connects urea cycle to krebs cycle

Answer 31

Fumarate

Question 32

Valine after transamination

Answer 32

a-ketosiovalerate

Question 33

Addition of second hydroxyl group needs what cofactor:

Answer 33

Tetrahydrobiopterin

Question 34

Tryptophan

Answer 34

Indole ring

Question 35

Cofactor needed for the formation of L-dopa

Answer 35

BH4 (Tetrahydrobiopterin)

Question 36

Four nitrogen group/amino group

Answer 36

Arginine

Question 37

Deficiency of this vitamin causes increase in FIGLU

Answer 37

Folic acid

Question 38

Derived from G-C-E

Answer 38

Glutathione

Question 39

Amino acid aside from tyrosine that is converted to fumarate and acetoacetyl CoA

Answer 39

Phenylalanine (F)

Question 40

Formed from arginine via nitric oxide synthase pathway

Answer 40

Citrulline

Question 41

Methemoglobin

Answer 41

Iron is ferric instead of ferrous

Question 42

Last to digest CHON

Answer 42

Dipeptidase

Question 43

Urea cycle precursor

Answer 43

Ornithine

Question 44

Hemoglobin M

Answer 44

His F8 is rpelaced by tyrosine

Question 45

Low oxygen will increase

Answer 45

2,3 -BPG

Question 46

Decreased or absent in the synthesis of globin chain

Answer 46

Thalassemia

Question 47

Name this structure NH2-CO-NH2

Answer 47

Urea

Question 48

Common precursor of carnosine and arsenine

Answer 48

Histidine

Question 49

Tyrosine replaces glutamine

Answer 49

Hemoglobin M

Question 50

Formed from glycine, arginine and SAM

Answer 50

Creatinine phosphate

Question 51

Catabolism of arginine forms

Answer 51

1 urea and 5 glutamate

Question 52

These amino acids have the same enzymatic pathway for the first three parts:

Answer 52

Branched AA

Question 53

All amino acid that undergo transamination except:

Answer 53

1. Lysine 2. Threonine 3. Proline 4. Hydroxyproline

Question 54

If methionine is scarce:

Answer 54

Homcysteine is remethylated back to methionine

Question 55

Pentose sugars are absrobed through:

Answer 55

Simple diffusion

Question 56

Catabolic fate of carbon skeletonof arginine:

Answer 56

Nitrogen: 2 appear directly as urea 1 appear as glutamate Carbon: 2 appear directly as urea 5 appear as glutamate