Which of the Following Statements Regarding Plasmid-Cloning Vectors Is Correct

question 4

Multiple Choice

Which of the following statements regarding plasmid-cloning vectors is correct?

• A)Circular plasmids do not require an origin of replication to be propagated in E.coli.
• B)Foreign DNA fragments up to 45,000 base pairs can be cloned in a typical plasmid.
• C)Plasmids do not need to contain genes that confer resistance to antibiotics.
• D)Plasmid vectors must carry promoters for inserted gene fragments.
• E)The copy number of plasmids may vary from a few to several hundred.

---

Definitions:

Overconfidence Effect

A cognitive bias where an individual's subjective confidence in their judgments is greater than the objective accuracy of those judgments.

Social Desirability Bias

The tendency of respondents to answer questions in a manner that will be viewed favorably by others, often skewing the results of surveys and studies.

The Squeaky Wheel

An idiomatic expression referring to the idea that the most noticeable problem gets the most attention.

Projective Tests

Psychological assessment tools where subjects interpret ambiguous stimuli, revealing hidden feelings, desires, and conflicts.