Use the Following Information to Answer the Questions Below

question 39

Multiple Choice

Use the following information to answer the questions below.
Nucleotides can be radiolabelled before they are incorporated into newly forming DNA and can therefore be assayed to track their incorporation. In a set of experiments, a student-faculty research team used labelled T nucleotides and introduced these into the culture of dividing human cells at specific times.
-The research team used the setup to study the incorporation of labelled nucleotides into a culture of lymphocytes and found that the lymphocytes incorporated the labelled nucleotide at a significantly higher level after a pathogen was introduced into the culture. They concluded that

• A)the presence of the pathogen made the experiment too contaminated to trust the results.
• B)their tissue culture methods needed to be relearned.
• C)infection causes lymphocytes to divide more rapidly.
• D)infection causes cell cultures in general to reproduce more rapidly.
• E)infection causes lymphocyte cultures to skip some parts of the cell cycle.

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Definitions:

Track Values

The process or feature of monitoring and recording changes in variables or parameters over time.

Bar Chart

A graphical representation of data using bars of different heights or lengths to compare various categories.

Column Chart

A visual representation of data, where individual columns represent different values in a dataset, often used in statistics and analytics.

Line Chart

This chart variety shows data by plotting 'markers' on the graph, which are then joined by direct line segments.