Plasmid Small, circular DNA molecule found in bacterial cells that is capable of replicating independently from the bacterial chromosome.

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#Id: 4706

#Unit 11. Evolution and Behavior

A female vampire bat will regurgitate food to an unrelated female if needed, because at other times she may be the recipient of such a meal.

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#Id: 898

#Unit 13. Methods in Biology

Terminal transferase (TdT) Adds homopolymer tails to the 3’end of DNA.

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#Id: 1215

#Unit 7. System Physiology – Animal

The role of parathyroid hormone is to regulate the concentration of Ca2+ in ECF.

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#Id: 8404

#Unit 2. Cellular Organization

The increase in Ca2+ concentration is transient because the Ca2+ is rapidly pumped back into the SR by an abundant, Ca2+ ATPase.

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#Id: 4820

#Unit 13. Methods in Biology

The confidence level represents the proportion (frequency) of acceptable confidence intervals that contain the true value of the unknown parameter.