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For a diploid mouse cell (40 chromosomes), state how many copies of each are present at...

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Biology

For a diploid mouse cell (40 chromosomes), state how many copiesof each are present at the following cell cycle stages:

Cell cycle stage

Number of chromosomes per cellNumber of sister chromatids per cell  Number of centromeres per cellNumber of chromosome copies attached to each centromere

G1 phase

G2 phase
Prophase
Anaphase

A researcher has synchronized two different E. colicultures so that all of the cells enter cell divisionsimultaneously. One culture is wild-type E. coli cells,and the other culture is a mutant E. coli that does nothave the gene for Dam methylase. He isolates the DNA from bothwild-type and mutant E. coli 20 minutes after replicationis complete. What is the methylation state for each strain ofE. coli? What would be the methylation state for eachbacterial strain if you isolated the DNA immediately afterreplication termination?

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