Which of the Following Examples Does NOT Describe a Mechanism

question 44

Multiple Choice

Which of the following examples does NOT describe a mechanism of post-transcriptional control of gene expression?

• A)the alternative splicing of a gene, leading to the production of a muscle-specific protein
• B)the action of the RNA component of telomerase
• C)the activation of a protein when it is phosphorylated by a protein kinase
• D)translational inhibition of an mRNA by the binding of a protein at the 5′ untranslated region of the message.

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Definitions:

Shortgrass Prairie

A grassland ecosystem characterized by the dominance of shortgrass species, adapted to arid conditions and grazing pressure, found in the central United States and other parts of the world.

Temperate Grassland

A grassland characterized by hot summers, cold winters, and less rainfall than is found in a temperate deciduous forest biome.

Mediterranean Sea

A sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land.

Chaparral

A biome with a Mediterranean climate (mild, moist winters and hot, dry summers). Chaparral vegetation is characterized by drought-resistant, small-leaved evergreen shrubs and small trees.