Bacteriophage Lambda Enters the Lytic Phase of Its Life Cycle

question 43

Multiple Choice

Bacteriophage lambda enters the lytic phase of its life cycle when

• A)high levels of cI and high levels of cro proteins are present in bacterial cells
• B)low levels of cI and high levels of cro proteins are present in bacterial cells
• C)high levels of cI and low levels of cro proteins are present in bacterial cells
• D)low levels of cI and low levels of cro proteins are present in bacterial cells
• E)none of these conditions lead to lysis

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Definitions:

Factorial Research Design

Research design consisting of all possible combinations of two or more independent variables.

Marginal Mean

The arithmetic mean of values for a particular variable, considering the impact of covariates in the analysis.

Marginal Mean

The average value of a variable across levels of another variable, often used in the context of multivariate data analysis.

Marginal Means

The mean scores for each level of a factor averaged over the levels of other factors in a multifactorial experiment, often used in the analysis of variance.