I. The adrenal medulla does not regenerate, but when the inner two zones of the cortex are removed, a new ZF and ZR regenerate from glomerular cells attached to the capsule.

II. Immediately after hypophysectomy, the ZF and ZR begin to atrophy, whereas the ZG is unchanged because of the action of angiotensin II on this zone. 

III. The ability to secrete aldosterone and conserve Na+ is normal for some time after hypophysectomy, but in longstanding hypopituitarism, aldosterone deficiency may develop, apparently because of the absence of a pituitary factor that maintains the responsiveness of the zona glomerulosa. 

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#Question id: 1030

#Unit 4. Cell Communication and Cell Signaling

The membranes of eukaryotes and mycoplasma

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#Question id: 19204

#Unit 12. Applied Biology

Example of acoustic wave biosensor could be

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#Question id: 3556

#Unit 8. Inheritance Biology

Flower color in plant follows incomplete dominance. Cross between AA and aa results all F1 offspring are uniform were allowed to cross with AA genotype. What will be phenotype ratio?

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#Question id: 31324

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following sequence will form perfect helical wheel 

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#Question id: 28990

#Unit 7. System Physiology – Animal

Catecholamines relative function in both increasing and decreasing the secretion of insulin and glucagon via____

I- increasing by β-adrenergic mechanisms 

II- inhibiting by β-adrenergic mechanisms 

III- increasing by α-adrenergic mechanisms 

IV- inhibiting by α-adrenergic mechanisms