Scientists Performed a Series of Experiments That Were Successful in Converting

question 58

Multiple Choice

Scientists performed a series of experiments that were successful in converting skin cells into neurons, with the goal of generating neurons for cellular therapies.This work would be an application of the basic principle that

• A) differentiation can arise by different cells having different promoters.
• B) differentiation can arise by different cells having different transcription factors.
• C) differentiation can arise by different cells having different enhancer elements.
• D) there is no difference in gene expression between different cell types.
• E) there is no way to predict or control cellular fate.

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Definitions:

Metric Micrometer

A precision measuring instrument that uses a calibrated screw widely used for precise measurement of small distances in the metric system.

Thimble

A small metal or plastic cap with a grooved edge used to protect the finger while pushing a needle through fabric in sewing; or, a fitting used in rope systems to protect the loop from wear.

Torquing

The process of applying a specific amount of twist or force to fasteners, such as bolts and nuts, to ensure they are properly secured.

Clamping Force

The force applied to hold two or more objects together, preventing movement or separation.