A Researcher Found a Method She Could Use to Manipulate

question 57

Multiple Choice

A researcher found a method she could use to manipulate and quantify phosphorylation and methylation in embryonic cells in culture. One of her colleagues suggested she try increased methylation of cytosine (C) nucleotides in the DNA of promoters of a mammalian system. Which of the following results would she most likely see?

• A) decreased chromatin condensation
• B) activation of histone tails for enzymatic function
• C) higher levels of transcription of certain genes
• D) inactivation of the selected genes

---

Definitions:

Identity Statuses

A concept pertaining to the different stages or conditions through which an individual's identity development passes.

Moratorium Stage

A period during an individual's development in which they are actively exploring options but have not yet made clear commitments in areas such as career and personal beliefs.

James Marcia

A psychologist known for his work on adolescent identity development, particularly the identity status theory.

Identity Diffusion Stage

A phase in Erik Erikson's theory of development where an individual has not yet achieved a clear sense of identity and is exploring various possibilities.