A donor strain of bacteria with genes a+b+c+ is infected with phages to map the donor chromosome with transduction. The phage lysate from the bacterial cells is collected and used to infect a second strain of bacteria that are a_ b_ c_.

Based on the above, which one of the following conclusions is correct?

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#Question id: 18952

#Unit 13. Methods in Biology

The system is used to determine the molecular diameter of protein molecules in their native state

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#Question id: 15454

#Unit 4. Cell Communication and Cell Signaling

B cells migrate to the lymphoid follicles, they are directed by chemokine interaction_________, which is secreted by follicular dendritic cells (FDCs)

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#Question id: 14999

#Unit 8. Inheritance Biology

I know that black coat color in mice is dominant to albino. Black mice get a higher price at the pet store so I am disappointed when I cross a black mouse with an albino mouse and get 6 albino and 2 black mice in the litter. I expected all black. What mistake did I make?

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#Question id: 5454

#Unit 8. Inheritance Biology

Which of the following is not an example of quantitative trait?

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#Question id: 12978

#Unit 10. Ecological Principles

Why is territoriality an adaptive behavior for songbirds maintaining populations at or near their carrying capacity?