As the receptor potential rises higher above threshold, which of the following best characterizes the new frequency of action potentials?

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#Question id: 28190

#Unit 5. Developmental Biology

The process by which portions of the genome are selected for expression in different embryonic cells, is called___

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#Question id: 31387

#Unit 5. Developmental Biology

A sheet of cells that grows anteriorly from Koller’s sickle combines with the primary hypoblast to form the complete hypoblast layer is termed as:

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#Question id: 28503

#Unit 5. Developmental Biology

Hox12 and Hox13 paralogues gene specify which bones of tetrapod limb ?

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#Question id: 32308

#Unit 2. Cellular Organization

Why are many hydrolases synthesized and delivered as proenzymes in the cell?

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#Question id: 4980

#Unit 11. Evolution and Behavior

If an increase in dicynodont species diversity (i.e., number of species) occurred soon after the Permian extinction, and if it occurred for the same general reason usually given for the increase in mammalian diversity following the Cretaceous extinction, then it should be attributed to