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: 28409

#Unit 5. Developmental Biology

Which of the following organizer proteins that involve inhibiting the Wnt proteins during gastrulation?

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#Question id: 1509

#Unit 4. Cell Communication and Cell Signaling

Cells that are infected, damaged, or have reached the end of their functional life span often undergo "programmed cell death." This controlled cell suicide is called apoptosis. Select the appropriate description of this event on a cell's life cycle.

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#Question id: 3030

#Unit 2. Cellular Organization

Which of the following features of prokaryotic biology involves metabolic cooperation among cells?

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#Question id: 31103

#Unit 2. Cellular Organization

Cytochalasin D,  a fungal alkaloid, depolymerizes actin filaments by:

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#Question id: 4690

#Unit 3. Fundamental Processes

Which of the following  of the cleavage enzymes of rRNAs and tRNA is a ribozyme?