Ahmet Final

Question 1

Which molecule is not neurotransmitter?

A) acetylcholine

B) seratonine

C) dopamine

D) GABA

E) melanine

Answer 1

E) melanine

Question 2

Which of the following the rate-limiting enzyme of the urea cycle?

A) glutamate dehydrogenase

B) glutaminase

C) urease

D) CPS-I

E) CPS-11

Answer 2

D) CPS-I

Question 3

A promoter site on DNA

A) Transcribes repressor

B) Initiates transcription

C) Codes for RNA polymerase

D) Regulates termination

E) Translates specific proteins

Answer 3

B) Initiates transcription

Question 4

Which of the following is not function of aa’s?

A) Proteine synthesis

B) Neurotransmitter precursors

C) Hormons precursors

D) Energy source

E) Storage in cell

Answer 4

E) Storage in cell

Question 5

How is buffered the tubuler proteins?

A) with creatinine

B) with uric acid

C) with sulphate

D) with bicarbonate

E) with glutamine

Answer 5

D) with bicarbonate

Question 6

Which of following enzyme his function in salvage pathway?

A) Adenyiosuccinate synthetase

B) IMP dehydrogenase

C) PRPP synthetsse

D) Hypoxanthine-guanine phosphortbosyl transferese

E) Transamidinese

Answer 6

D) Hypoxanthine-guanine phosphortbosyl transferese

Question 7

in which reaction, Does ammonia spent?

Al Aminoacid oxidases

B) Serine debydratases

C) Pyrimidine deamination

D) Glutamine synthesis

E) Glycine cleavage

Answer 7

D) Glutamine synthesis