According to the Switching mechanism, monomeric G proteins exist in two states. Match the following states (Column I) with correct mechanism (Column II).

Column I	Column II
A. “ON” state	i. switch I and switch II, are bound to the terminal γ phosphate of GTP through interactions with the backbone amide groups of conserved threonine and glycine residues.
B. “OFF” state	ii. GTPase-activating proteins
	iii. guanine nucleotide exchange factor
	iv. Due to the removal of the γ phosphate by GTPase-catalyzed hydrolysis causes switch I and switch II to relax into a different conformation

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#Question id: 5231

#Unit 11. Evolution and Behavior

Although quite different in structure, plants and animals share some basic similarities in their development, such as

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#Question id: 3498

#Unit 11. Evolution and Behavior

Assuming 5 offspring of each female, A Female lion with a well-nourished cub gains inclusive fitness by nursing a starving cub of a full sister by 5% loss to herself. What would be value of be benefit in percent (all offspring of recipient female die in case of no nursing)

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#Question id: 31145

#Unit 2. Cellular Organization

A set of small GTP-binding proteins, associate with transport vesicles and act as key regulators of vesicle trafficking to and fusion with the appropriate target membrane, known as: 

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#Question id: 28478

#Unit 5. Developmental Biology

 Select the correct statements about these transcriptional factors-sox2, oct4 and nanog ?

a) these transcriptional factors activating those genes required to maintain totipotency in embryonic stem cells

b) these transcriptional factors activating those genes required to maintain pluripotency in embryonic stem cells

c) these transcriptional factors repressing those genes whose products would lead to differentiation

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#Question id: 2955

#Unit 2. Cellular Organization

Cyclin is to MPF as ............ is to cyclin-dependent kinases.