In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.

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#Question id: 20263

#Unit 12. Applied Biology

_______  an excellent alternative to polystyrene-based packing material

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#Question id: 20264

#Unit 12. Applied Biology

______________ is the main enzyme of amylose biosynthesis. Whose increased activity is expected to increase the amylose content of starch?

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#Question id: 20268

#Unit 7. System Physiology – Animal

Choose correct statements about synthesis and processing of antidiuretic hormone and oxytocin.

a. ADH and oxytocin are homologous nonapeptides (containing nine amino acids).

b. Are synthesized in the supraoptic and paraventricular nuclei of the hypothalamus respectively.

c. The ADH neurons have their cell bodies primarily in the paraventricular nuclei.

d. The oxytocin neurons have their cell bodies primarily in supraoptic nuclei of the hypothalamus.

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#Question id: 20269

#Unit 1. Molecules and their Interaction Relevant to Biology

The antidiuretic hormone (ADH) originates primarily in the supraoptic nuclei of the hypothalamus, which of the following statement is FALSE regarding ADH?

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#Question id: 20269

#Unit 7. System Physiology – Animal

The antidiuretic hormone (ADH) originates primarily in the supraoptic nuclei of the hypothalamus, which of the following statement is FALSE regarding ADH?

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#Question id: 20270

#Unit 7. System Physiology – Animal

Oxytocin is formed primarily in the paraventricular nuclei of the hypothalamus. Which of the following statement is FALSE regarding oxytocin?