A 57-year-old man is admitted as an emergency for upper GI bleeding. Endoscopy reveals multiple ulcers in the duodenum. Serum gastrin levels are eight-fold higher compared to normal. Zollinger-Ellison syndrome (ZES, gastrinoma) is suspected. Administration of which of the following substances is useful in confirming the diagnosis?

#Question id: 7172

#Unit 5. Developmental Biology

Transplantation of different regions of the presomitic mesoderm (PSM) to the limb field causes changes in limb size. Following statements are:

A. Transplanting PSM from the level of the presumptive forelimb to the flank (region between the forelimb and hindlimb) results in a larger forelimb bud.

B. Transplantation of PSM from the flank region to the level of the presumptive forelimb results in a smaller forelimb bud.

C. Transplanting PSM from the level of the presumptive forelimb to the flank (region between the forelimb and hindlimb) results in a smaller forelimb bud.

D. Transplantation of PSM from the flank region to the level of the presumptive forelimb results in a larger forelimb bud.

Which of the following combination are correct?

#Question id: 13226

#Unit 6. System Physiology – Plant

#Question id: 12891

#General Aptitude

#Question id: 10256

#Unit 6. System Physiology – Plant

Both sucrose synthase and invertases can degrade sucrose for glycolysis, what will happen if one of the enzymes is absent or mutant?

#Question id: 15675

#Unit 2. Cellular Organization