Nucleosome displacement during transcription initiation is referred to as what?
What will be an ideal response?
chromatin remodeling
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Smells and food aromas often produce an intense emotional impact. What is the biological basis of this response?
What will be an ideal response?
How does a macrophage (immune cell) consume a bacteria?
A. exocytosis B. pinocytosis C. receptor-mediated endocytosis D. endocytosis E. phagocytosis
Bacteria in the phylum Firmicutes are distinguished from the phylum Actinobacteria on the basis of
A) their Gram stain reaction. B) the high G + C content of their DNA. C) their spiral shapes. D) the low G + C content of their DNA. E) the presence of LPS in their membranes.
When is knowing the host and environmental factors that lead to a disease more important to saving lives than knowing the etiological causative agent?
A) when the host range is very large B) when the disease is spread through sexual contact C) when there is no cure for the disease D) when specific health factors within a person's control are particularly risky E) when the source of infection is a particular geographical location