Why is Taq polymerase used in PCR rather than DNA polymerases from other sources?

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#Question id: 11537

#Unit 7. System Physiology – Animal

Testosterone is an example of a chemical signal that affects the very cells that synthesize it, the neighboring cells in the testis, along with distant cells outside the gonads. Thus, testosterone is an example of ________.

 I) an autocrine signal

 II) a paracrine signal

 III) an endocrine signal

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#Question id: 18817

#Unit 13. Methods in Biology

The PCR technique widely used in bacterial genomic studies for screening of plasmid inserts is

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#Question id: 5203

#Unit 11. Evolution and Behavior

The biggest problem with the shotgun technique is its tendency to underestimate the size of the genome. Which of the following might best account for this?

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#Question id: 11264

#Unit 9. Diversity of Life Forms

Prokaryotic ribosomes differ from those present in eukaryotic cytosol. Because of this, which of the following is correct?

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#Question id: 28674

#Unit 2. Cellular Organization

Which of the following cyclin-CDKs involve to phosphorylate Cdc25C for the stimulation of its phosphatase activity ?