A. Stomach
B. Terminal ileum
C. Lower jejunum
D. Proximal ileum
✅ The correct answer is option B. Terminal ileum.
Biochemistry
Xerophthalmia is caused by_______________?
A. Vitamin A deficiency
B. Vitamin D deficiency
C. Vitamin C deficiency
D. Vitamin K deficiency
✅ The correct answer is option A. Vitamin A deficiency.
Normal serum calcium level is_______________?
A. 4-6 mg/dl
B. 9-11 mg/dl
C. 19-21 mg/dl
D. 20-30 mg/dl
✅ The correct answer is option B. 9-11 mg/dl.
In TCA cycle substrate level phosphorylation occurs at____________?
A. Succinate dehydrogenase
B. Malonate reduction
C. Thiokinase
D. None of the above
✅ The correct answer is option C. Thiokinase.
The process of transfer of information from the RNA to the proteins is called______________?
A. Mutation
B. Translation
C. Transcription
D. Conjugation
✅ The correct answer is option B. Translation.
Acetyl Co-A acts as a substrate for all the enzymes except______________?
A. HMG-Co A synthase
B. Malic enzyme
C. Malonyl CoA synthetase
D. Fatty acid synthetase
✅ The correct answer is option B. Malic enzyme.
Which of the following has a ketogenic effect on livers______________?
A. Insulin
B. Glucagon
C. GH
D. Androgen
✅ The correct answer is option B. Glucagon.
A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________?
A. Cycline
B. Calmodulin
C. Collagen
D. Kinesin
✅ The correct answer is option B. Calmodulin.
The most important buffer in RBC is____________?
A. O2 Hb +Na hemoglobinate
B. O2Hb +K hemoglobinate
C. H2CO3 + KHCO3
D. H2CO3 +NAHCO3
✅ The correct answer is option D. H2CO3 +NAHCO3.
Creatine is formed metabolically from______________?
A. Tryptophan
B. Arginine
C. Phenylalanine
D. Histidine
✅ The correct answer is option B. Arginine.