You Are a Research Assistant in a Lab That Studies

question 4

Multiple Choice

You are a research assistant in a lab that studies nucleic acids. Your advisor gave you four tubes for analysis. Each of these tubes differs in its contents by the source of its nucleic acids: mouse cytoplasm (single-stranded RNA) , yeast nuclei (double-stranded DNA) , rotavirus (double-stranded RNA) , and parvovirus (single-stranded DNA) . The approximate nucleotide base composition of each sample is given in the table below. $$\begin{array} { | l | r | r r r | r } \hline \text { Tube } & \text { A } & \mathbf { C } & \text { U } & \text { T } & \mathbf { G } \\\hline 1 & 32 & 17 & 0 & 32 & 19 \\\hline 2 & 34 & 16 & 15 & 0 & 35 \\\hline 3 & 30 & 21 & 0 & 26 & 23 \\\hline 4 & 33 & 16 & 34 & 0 & 17 \\\hline\end{array}$$
-Which samples would be destroyed by a DNase?

• A) tubes 1 and 3
• B) tubes 2 and 4
• C) tubes 1 and 2
• D) tubes 3 and 4
• E) all the tubes

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Definitions:

Darley and Latané

Psychologists known for their work on the bystander effect, demonstrating that the presence of others can decrease an individual's likelihood to help someone in distress.

Milgram's Obedience Study

Milgram's obedience study is a psychological experiment conducted in the 1960s which demonstrated the extent to which individuals would follow orders from an authority figure, even when it involves hurting someone else.

Learner

An individual who acquires knowledge or skills through study, experience, or being taught.

Conformity

The act of aligning one's attitudes, beliefs, or behaviors to match those of a group or social standard, often due to perceived pressure.