Some given characteristics of repressor such as;

 I) λ-repressor and

II) cro-repressor

a) A repressor binds DNA as a dimer

b) A repressor work as both activator and repressor

c) Repressor is a single-domain protein

d) Repressor binds to operator sites cooperatively

e) Only represses transcription, like the Lac repressor

which of the following are correct match statements  of given repressor

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#Question id: 28444

#Unit 5. Developmental Biology

Six of precursor blast cells (P cells) persist in the larva in a row aligned antero-posteriorly on the ventral side of the larva, and posterior daughters of three of these precursor blast cells (P cells) give rise to the vulva. these precursor cells are___

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#Question id: 28445

#Unit 5. Developmental Biology

 In C. elegans Formation of the vulva occurs during the larval stage from six cells is called_____

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#Question id: 28446

#Unit 5. Developmental Biology

The cell connecting the overlying gonad to the vulval precursor cells is called Anchor cell, which secretes a paracrine factor that has the ability to activate a pathway by binding this factor on to the VPCs.

I-paracrine factor

II-activates Pathway

Find out the correct match ?

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#Question id: 28447

#Unit 5. Developmental Biology

 During induction anchor cell secrets a paracrine factor LIN-3 protein is similar to which of the following mammalian growth factor?

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#Question id: 28448

#Unit 5. Developmental Biology

The anchor cell normal function is to induce VPCs to achieve their fate. During an experiment mutated lin-3 gene due to this mutation anchor cell is destroyed, what kind of outcomes will be seen after mutation? 

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#Question id: 28449

#Unit 5. Developmental Biology

In C. elegans during embryogenesis, an anchor cell and 6 hypodermal vulval precursor cells (VPCs) get involved in forming the vulva. Which of the following statement is incorrect about  VPCs?