A Mutant Yeast Strain Stops Proliferating When Shifted from 25°C

question 25

Multiple Choice

A mutant yeast strain stops proliferating when shifted from 25°C to 37°C.When these cells are analyzed at the two different temperatures, using a machine that sorts cells according to the amount of DNA they contain, the graphs in Figure 18-2 are obtained. Figure 18-2
Which of the following would NOT explain the results with the mutant?

• A)inability to initiate DNA replication
• B)inability to begin M phase
• C)inability to activate proteins needed to enter S phase
• D)inappropriate production of a signal that causes the cells to remain in G₁

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U.S. Price Level

The general measure of the inflation or deflation of goods and services prices within the United States, impacting purchasing power and economic policy.

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A curve that shows the relationship between the overall price level in the economy and the total demand for goods and services, indicating that higher prices typically lead to lower total demand.

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