Protein metabolism

Question 1

what does rennin in infant do

Answer 1

turns casein to paracasein to allow milk to stay in stomach for digestion`

Question 2

the only AA that undergoees oxidation deamination

Answer 2

glutamate

Question 3

most amino acids undergo transamination except

Answer 3

threonine, lysine , proline, hydroxyproline

Question 4

the active form of thyroxine

Answer 4

tri-idotyrosine and tetra-idotyrosine

Question 5

breakdown of dopamine

Answer 5

HVA

Question 6

breakdown of norepinephrine

Answer 6

VMA

Question 7

breakdown of dopamine

Answer 7

metarephrin

Question 8

SULPHUR CONTAINING AMINO ACIDS

Answer 8

i) Include Methionine (M), serine(s), threoserine (T) & cysteine (c)
ii) Non-essential amino acids
iii) Found at the carboxy-terminal of polypeptide chain

Question 9

why is creatine used in GER test?

Answer 9

GER ( glomeular filtration rate ) cause it’s 24hr secreted in urine

Question 10

the three amino acids needed for making creatine ?

Answer 10

RGM ( arginine, glycine, methionine )

Question 11

the three amino acids needed for making glutathione ?

Answer 11

ECG ( glutamate, cysteine, glycine )

Question 12

maple syrup urine disease cause by

Answer 12

deficiency in alpha keto acid dehydrogenase

Question 13

What is the difference between carbamoyl phosphate synthetase 1 and 2

Answer 13

CPS I is exclusively intramitochondrial, and its deficiency is responsible for the disease. CPS I. CPS II is exclusively cytosolic and is an important enzyme in de novo synthesis of pyrimidine nucleotides

Question 14

treatment in hyperammonia `

Answer 14

arginine and benzoate

Question 15

what supplements to give a patient with maple syrup urine disease

Answer 15

vitamin B1 (thiamine)

Question 16

The Amino Nitrogen is transported from the extrahepatic tissue in the form
of:

Answer 16

alanine and glutamine

Question 17

how many atp needed for urea cycle

Answer 17

The urea cycle is irreversible and consumes 4 ATP

Question 18

Positive nitrogen balance is a characteristic of

Answer 18

Growing children and pregnant women