Large anions such as _____and_______ can inhibit  accumulation of iodide in the thyroid by competing with iodide.

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#Question id: 5102

#Unit 5. Developmental Biology

Why was the evolution of the extraembryonic membranes crucial for colonization of land by the vertebrates? Extraembryonic membranes ________.

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#Question id: 15483

#Unit 12. Applied Biology

A novel technique for strain improvement combining the advantage of multi-parental crossing allowed by DNA shuffling with the recombination of entire genomes.

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#Question id: 28399

#Unit 5. Developmental Biology

Dorsal most vegetal cells of the blastula, which are capable of inducing the organizer is known as____

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#Question id: 31359

#Unit 13. Methods in Biology

Which of the following microscopy uses photoswitchable fluorophores that can be switched between a "on" (fluorescent) and "off" (dark) state, allowing only a small subset of molecules to be illuminated at a time, enabling precise localization of each individual molecule.

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#Question id: 26347

#Unit 2. Cellular Organization

Which of the following  stimulates the  formation of the 30 nm fiber