The Nucleus Has a Double Membrane That Encloses the DNA

question 37

Multiple Choice

The nucleus has a double membrane that encloses the DNA. Inside the nucleus, the DNA acts as the template to produce mRNA and ribosomes.To exit the nucleus, these molecules must

• A) diffuse through the double membrane into the cytoplasm.
• B) pass through carrier proteins which use ATP to transport the molecules.
• C) attach to carrier molecules that carry them through the membrane.
• D) pass through pores that span both membranes.
• E) be transported across the two membranes by means of vesicles.

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Definitions:

Cramér's V

A quantification of the link between two variables of a nominal type, with a scale from 0 to 1.

Cramér's V

A measure of association between two nominal variables, giving a value between 0 and 1 that indicates the strength of the relationship.

Expected Frequency

The anticipated count in each category of a contingency table under the assumption that the null hypothesis is true, used in chi-square tests.

Null Hypothesis

The null hypothesis is a statement in statistical analysis that proposes no significant effect or no difference as the outcome of an experiment or study.