If cells from the animal pole of a frog blastula (animal cap cells) are placed into contact with cells from the vegetal hemisphere, after removing the cells fated to form mesoderm, what is the result?

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#Question id: 18701

#Unit 13. Methods in Biology

PCR (polymerase chain reaction) is an excellent method of generating copies of target DNA. If a single piece of double stranded DNA (dsDNA) is put into a PCR machine, how many dsDNA segments will there be after 3 rounds?

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#Question id: 2270

#Unit 2. Cellular Organization

With which of the following are basal bodies not associated?

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#Question id: 15786

#Unit 5. Developmental Biology

Although iPSCs are functionally pluripotent, they are best at generating the cell types of the organ from which the parent somatic cell (naïve versus primed ESCs) originated. These data suggest that

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#Question id: 12136

#Unit 10. Ecological Principles

Which of the following is an example of aposematic coloration?

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#Question id: 15958

#Unit 12. Applied Biology

During the protoplast fusion which technique is most commonly used as it induces reproducible high frequency fusion accompanied with low toxicity to most cell types?