DNA Ligase Is Needed in a Cloning Experiment for What

question 11

Multiple Choice

DNA ligase is needed in a cloning experiment for what reason?

• A) To proofread the vector for mistakes
• B) To reestablish the stable sugar-phosphate backbone of the DNA molecule
• C) To allow the vector to enter into the cell
• D) As a selectable marker

---

Definitions:

Time Series

A sequence of data points collected or recorded at successive points in time, often analyzed to identify trends, cycles, and seasonal variations.

Three-period Moving Averages

A method used in time series analysis to smooth out data by calculating the average of any three consecutive periods to predict trends or identify patterns.

Principle of Parsimony

A principle stating that among competing hypotheses, the one with the fewest assumptions should be selected.

Cyclical Variation

Fluctuations in data series that occur in regular or periodic patterns over time, often related to economic cycles.