Select your answer:

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Neurological Disorders Muscle System Healthcare Careers Musculoskeletal - Clinical The Ankle and Lower Leg Major Nutrients Neuroanatomy of CNS SCI CH2-1 Water Macromolecules Cells Levels of Organization Dentistry Pathogens - Bacteria and Viruses DNA Replication Bone Shapes & Long Bone AnatomyOther quiz:
Gene Expression › ViewWhat is methylation?
A. The addition of methyl groups to DNA so that it becomes more tightly wound to the histone proteins
B. The removal of methyl groups to inhibit transcription
C. The addition of methyl groups to the histone proteins so that the DNA becomes more loosely bound
D. The removal of methyl groups to enhance transcription
Anatomy Respiratory System › View
What is the general term that refers to the infection of lungs?
A. Infected lungs
B. Ammonia
C. Pneumonia
D. Bronchitis