A key participant in this unfolded protein response is an ER membrane protein that exists both as a monomer and as a dimer, which is___

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#Question id: 1334

#Unit 4. Cell Communication and Cell Signaling

Flattened, two-dimensional protrusion of membrane, supported by a meshwork of actin filaments, that is extended from the leading edge of crawling epithelial cells, fibroblasts, and some neurons is known as

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#Question id: 33526

#Unit 2. Cellular Organization

The number of protein-coding genes is less than the number of potential polypeptides that can result in several polypeptides from the same gene because of mechanisms 

A. alternative splicing

B. alternate promoter selection, 

C. alternate poly(A) site selection

D. Number of Introns in the gene

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#Question id: 28964

#Unit 7. System Physiology – Animal

Iodide is transported out of the  thyroid cells across the apical membrane into the follicle by transporter molecules known as____ 

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#Question id: 5567

#Unit 5. Developmental Biology

The cortical reaction of sea urchin eggs functions directly in ________.

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#Question id: 13015

#Unit 10. Ecological Principles

Which of the following organisms is the most likely candidate for geographic isolation?