What is not a reason scientists study yeast?
a.) it as closely related to animals as it is plants.
b.) it has no nucleus so it is easy to genetically manipulate.
c.) it carries out all the basic tasks a eukaryotic cell must perform.
d.) it reproduces rapidly in the lab.

B.)

Explanation:

According to my research on studies conducted by various biologists, I can say that based on the information provided within the question one answer that is NOT a reason is that It has no nucleus so it is easy to genetically manipulate. This is technically not true as yeast has a nucleus in which all it's genetic content is contained. This, along with other aspects of yeast has allowed scientists to examine the interactions between genes and proteins, as well as various cell functions.

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format change of dna.  

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: