Which of the Following Statements Regarding Vectors Is FALSE

question 13

Multiple Choice

Which of the following statements regarding vectors is FALSE?

• A) Vectors are usually autonomously replicating DNA molecules.
• B) A useful vector contains multiple restriction sites for insertion of DNA.
• C) Vectors are generally over 100,000 base pairs in size.
• D) Cloning vectors frequently contain sequences necessary for expression of inserted sequences.
• E) Cloning vectors include a "marker" to facilitate identification of cells containing them.

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Definitions:

Element

An element is a substance consisting of atoms which all have the same number of protons, classically considered the simplest substances that cannot be broken down using chemical reactions.

Isotope

Atoms of the same element that have the same number of protons but different numbers of neutrons, resulting in different mass numbers.

Magnesium

A chemical element with the symbol Mg and atomic number 12, known for its low density and high strength, used in alloys, fireworks, and medical applications.

Atomic Mass

The mass of an atom, typically measured in atomic mass units (amu) or daltons, representing the total mass of protons, neutrons, and electrons in the atom.