GTPase switch proteins

a. are active when bound to GDP but inactive when bound to GTP.

b. are active when bound to GTP but inactive when bound to GDP.

c. are converted from the inactive to active state by a guanine nucleotide exchange factor (GEF).

d. synthesizes GTP from GDP.

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#Question id: 7180

#Unit 5. Developmental Biology

Development of tetrapod limb has to function in a three dimensional coordinated system:

Proximal-distal axis by ____a_____

Anterior-posterior axis by ___b_____

Dorsal-ventral axis by ______c____

Which of the following combinations are correct?

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#Question id: 2793

#Unit 2. Cellular Organization

Chromosome painting involves

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#Question id: 34158

#Unit 7. System Physiology – Animal

Which of the following hormone induce Adrenal medullary PNMT?

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#Question id: 5750

#Unit 8. Inheritance Biology

 type of microorganism that can exist on minimal medium

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#Question id: 26500

#Unit 3. Fundamental Processes

Choose the correct statement 

1.UACUAAC is branch point sequence for U2 type introns 

2.UACUAAC is branch point sequence for U12 type introns

3.CCUUAAC is branch point sequence for U12 type introns

4.CCUUAAC is branch point sequence for U2 type introns