Triploids are usually autopolyploids. They arise spontaneously in nature, but they can be constructed by geneticists from the cross of a 4n (tetraploid) and a 2n (diploid). Triploids are characteristically sterile due to

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#Question id: 12918

#Unit 13. Methods in Biology

Name the enzyme which helps in the DNA synthesis in the PCR.

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#Question id: 32426

#Unit 2. Cellular Organization

Nonmuscle cells contain several types of contractile bundles composed of:

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#Question id: 2411

#Unit 2. Cellular Organization

Three major groups of filament systems comprising the cytoskeleton are all composed of polymers of assembled subunits, which vary in thickness when assembled.  Which is the correct order, from smallest to largest, of the filament systems?

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#Question id: 1584

#Unit 4. Cell Communication and Cell Signaling

Which cell type interacts with both the humoral and cell-mediated immune pathways?

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#Question id: 11449

#Unit 7. System Physiology – Animal

Artificial electrical stimulation of a human's menthol-sensitive neurons would likely produce the sensation of ________.