other 2

Question 1

amino acids that coded by 1 codon (and which codon)

Answer 1

methionine - AUG

tryptophan - UGG

Question 2

ATP synthesis pathways and location

Answer 2

malate asparate shuttle - 32 ATP –> heart + liver

Question 3

hyperammonemia treatment

Answer 3

1. lactulose
2. bezonate, phenylabutyrate –> bind aminoacid and lead to excretion
3. limit protein
4. rifamixin or neomycin

Question 4

cysteine synthesis

Answer 4

homocysteine + serine to cystathione (cystathione synthase + B6)
cystathione to cysteine

Question 5

out of frame vs in frame

Answer 5

out –> premature termination

in –> maintains the reading

Question 6

promoter in prokaryotes

Answer 6

prinbow (-35)

Question 7

pataw vs Down vs edwards according to GI

Answer 7

edwards –> Meckel diverticulum
patau –> omphalocele
down –> hirschsprung, duodenal atresia

Question 8

cyanide poisoning - skin / breath?

Answer 8

reddish / breath –> bitter almonds

Question 9

HERS DISEASE

Answer 9

LIVER GLUCOGEN PHOSPHORYLASE DEFICIENCY –> hypoglycemia, ketosis, hepatomegaly

Question 10

Ricin?

Answer 10

from castor oil plant Rinicus commus –> potent toxin –> inhibits protein synthesis by cleaving the rRNA component of the eukaryotic 60s

Question 11

aminoacid that converted to propionyl-coa

Answer 11

1. valine
2. isoleucine
3. methionine
4. threonine

Question 12

BH4 abnormalities - mc

Answer 12

dihydrobiopterin reductase deficinecy

Question 13

oxaloacetate + NH3

Answer 13

aspartate

Question 14

methylmalonyc - coa mutase deficiency - ammonia??

Answer 14

incrrased –> organic acids inhibit urea cycle

Question 15

cardiolipin is a phospholipid found in

Answer 15

inner mit membrane