MCQ
In ureotelic animals, urea is formed by:
- ✓Ornithine cycle.
- BCori cycle.
- CKrebs cycle.
- D$\text{EMP}$ pathway.
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$I$. smallest endocrine gland $II$. master endocrine gland $III$. hypophysis
Choose the correct combination
Statement $I$: In the nephron, the descending limb of loop of Henle is impermeable to water and permeable to electrolytes.
Statement $II$ : The proximal convoluted tubule is lined by simple columnar brush border epithelium and increases the surface area for reabsorption.
In the light of the above statements, choose the correct answer from the option given below :