A population of charmingly charismatic rodents, population A, lives on a small island. The population consists of 100,000 individuals. Are all individuals of A genetically identical?
A. yes
B. no
B
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To create a knockout mouse, after introducing to ES cells a DNA construct in which a specific gene is mutagenized by the insertion of a drug resistance marker, the cells
A) that have incorporated the transgene by homologous recombination grow in the presence of the drug and these are injected into a host blastocyst. B) that lack the transgene grow in the presence of the drug and these are injected into a host blastocyst. C) that have deleted the transgene grow in the presence of the drug and the nuclei are injected into a host blastocyst. D) that lack the transgene grow in the presence of the drug and the nuclei are used for nuclear transfer.
Explain the origin, location, and function of the proton gradient in the process of photosynthesis. What will be an ideal response?
Three investigators—Nusslein-Volhard, Wieschaus, and Lewis—won the Nobel Prize for physiology and medicine in 1995 for work they did in 1970 with Drosophila. Briefly describe their findings
What will be an ideal response?
NAD and FAD act as _____ carriers
Fill in the blank(s) with the appropriate word(s).