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Flashcards in U6 High Yield Deck (14)
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1
Q

** what are the most abundant amino acids in serum.

A

Glutamine and alanine

2
Q

*********

What are the essenital AA?

A

“Pvt. Tim Hall”

Phenylalnine
Valine
Trptophan

Threonine
Isoleucine
Methionine

Histidine
Arginine
Leucine
Lysine

3
Q

___ separate transporters of AA from the gut into intestinal epithelial cells

A

FIVE

4
Q

Hartnup’s Disease sx?

A

4D’s: Diarrhea, Dermatitis, Dementia, Death)

5
Q

how is Hartnup’s Disease dx?

A

diarrhea, dermatitis, dementia, death with HIGH LEVELS OF NEUTRAL OR AROMATIC AA IN URINE

6
Q

what is the defect in Cysinuria?

A

A defect in the transport system for basic amino acids and cystine (a disulfide- linked dimer of cysteine) from the gut and the renal tubules.

7
Q

Cystinuria sx?

A

crystals formed by cystine can lead to UTI AND KIDNEY STONES

8
Q

Glycine is converted by____ to serine

A

serine hydroxymethyltransferase

9
Q

Glycine is converted by serine hydroxymethyltransferase to _____

A

serine

10
Q

Glycine is converted by serine hydroxymethyltransferase to serine, which is then converted to ____

A

pyrvuate

11
Q

Glycine is converted by serine hydroxymethyltransferase to serine

was is taken up? what is removed?

A
12
Q

how can glyceine be broken down into Co2 and free ammonia?

A

Glycine Cleavage Enzyme (glycine synthase, run in reverse)

13
Q

glycine—> co2 and NH4

what is given off

A
14
Q

glycine—>

via GLYCINE CLEAVAGE ENZYME

A

CO2 + NH4