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PLE 2017 > Biochemistry: AMINO ACIDS > Flashcards

Biochemistry: AMINO ACIDS Flashcards

1
Q

AA with -OH

A

S - Serine
T - Threonine
T- Tyrosine

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2
Q

Nitrogen containing AA

A

Asparagine

Glutamine

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3
Q

Sulfur contiaining AA

A

Cysteine

Shysteine

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4
Q

Basic AA

A

BASIC H-A-L
H - histidine
A - arginine
L - lysine

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5
Q

Acidic AA

A

aspartate

glutamate

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6
Q

inhibitory AA (brain & SC)

A

G-G
brain: GABA
SC: glycine

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7
Q

excitatory neurotransmitters

A

brain: Dopamine
SC: NE

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8
Q

smallest AA?

R group?

A

glycine

- contains H as R-group

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9
Q

used in the first step of heme synthesis

A

glycine

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10
Q

branched chain AA?

A

L - leucine
I - isoleucine
V - valine

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11
Q

what disease affecting branched chain AA?

A

MSUD

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12
Q

what is the ONLY IMINO ACID?

function?

A

proline

- disrupts helices

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13
Q

AA with aliphatic side chains

A 
GAP LIV
G - glycine
a - alanine
p - proline
\+ branched AA
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14
Q

aromatic AA

A

Aromatic (piatos shape ring)
Phenylalanine
Tyrosine
Tryptophan

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15
Q

largest AA

A

tryptophan

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16
Q

in PKU what enzyme is affected?

what AA increases? AA decreases?

A

tetrahydrobiopterin

  • increased Phe
  • decreased Tyr
17
Q

what is PARE TRUE LOVE DOES NOT EXIST TO ME?

A 
Phe
tyr
l-dopa
dopa
norepi
epi
& thyroxine, melanin
18
Q

tryptophan precursors

A

TRY MSN
M - melanin
S - serotonin
N - niacin

19
Q

methionine precursor

A

cysteine

20
Q

AA for O - linked glycosylation?

AA for O - linked phosphorylation?

A

Glycosylation - Serine

Phosphorylation - Threonine

21
Q

forms disulfide bond

A

cysteine

22
Q

precursor of histamine?

what test is used in diagnosis?

A

histidine

- Folic Acid Deficiency (Figlu excretion test)

23
Q

AA that participates in the biosynthesis of Coenzyme A?

A

cysteine

24
Q

major carrier of nitrogen

A

glutamine

25
Q

arginine precursors?

A

CREATE UR NO

- creatinine, urea, NO

26
Q

21st AA

A

selenocysteine

27
Q

essential AA?

A 
PVT TIM HALL always ARG never TYR
phe
val
try
threonine
iso
meth
his
arginine
leucine
lycine
28
Q

ketogenic AA

A

KiLL
lycine
leucine

29
Q

glucogenic and ketogenic

A 
TRY Ph Isl TY!
tryptophan
phe
isoleucine
tyrosine
30
Q

AA especially needed for growth

A

Arginine

31
Q

sickle cell disease involves the change of glu to?

A

val

32
Q

hemoglobin c disease involves the change of glu to?

A

lysine

33
Q

methylmalonyl Coa mutase deficiency involves what AA?

A 
VITamine Meth
valine
isoleucine
threonine
methionine

PLE 2017 (6 decks)

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