Which of the Following Is an Example of an Epigenetic

question 70

Multiple Choice

Which of the following is an example of an epigenetic change in eukaryotes?

• A) a loss of an AT base pair from a gene
• B) the addition of methyl groups to cytosines in the promoter region of a gene
• C) the substitution of an AT base pair by a GC base pair in a gene as a result of a mistake during DNA replication
• D) a deletion that simultaneously removes two genes from the genome
• E) None of these examples represents epigenetic changes.

Analyze the decisions firms make regarding expansion, exit, or entry based on economies of scale and cost considerations.

Identify the characteristics and implications of long-run equilibrium in competitive markets, including the role of normal profits.

Understand the concept of creative destruction and its significance in competitive markets.

Recognize the behavior of long-run supply curves in response to industry cost changes and market entry/exit.

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