M1749Which of the Following Is Not Always Required for DNA

question 62

Multiple Choice

M1749Which of the following is not always required for DNA blotting (Southern hybridization) ?

• A) digestion of DNA with restriction endonucleases
• B) separation of digested DNA by electrophoresis
• C) amplification of DNA fragment by polymerase chain reaction (PCR)
• D) hybridization with some kind of probe which contains regions of complementarity

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Definitions:

Mesoderm

The middle layer of an embryo in early development, which gives rise to muscles, bones, and blood vessels.

Inner Cell Mass

A group of cells inside the primordial embryo that will eventually give rise to the definitive structures of the fetus.

Muscles

Tissues in the body that have the ability to contract, making movement possible, and are essential for bodily functions and posture.

Bones

The rigid organs that form part of the vertebrate skeleton, supporting and protecting various parts of the body and producing red and white blood cells.