Epigenetics involves changes in the expression of a gene or set of genes by _______ and/or _______.

A: transcription factors; DNA methylation
B: chromosomal protein alteration; transcription factors
C: promoters; chromosomal protein alteration
D: DNA methylation; chromosomal protein alteration
E: promoters; DNA methylation


Answer: D: DNA methylation; chromosomal protein alteration

Biology & Microbiology

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Why did Mendel perform reciprocal crosses?

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What happens during the process of gene flow in a population?

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The best target for drug development would be

A. genes that are shared by humans and the organisms causing Chagas disease, African sleeping sickness, and Leishmania. B. genes that are shared by humans and the organisms causing Chagas disease but not the organisms causing African sleeping sickness or Leishmania. C. genes that are shared by the organisms causing Chagas disease, African sleeping sickness, and Leishmania but not shared by humans. D. genes that are shared by the organisms causing Chagas disease and African sleeping sickness but not shared by humans or the organisms causing Leishmania.

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The ________ are muscles of the rib cage that contract and therefore increase the size of the thoracic cavity during inhalation

Fill in the blank(s) with correct word

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