Nearly all of life’s chemistry occurs near a pH of ____

a. 1

b. 3
c. 5
d. 7
e. 9


ANSWER: d

Biology & Microbiology

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A woman's doctor tells her to gargle with salt water. She stirs a tablespoon of salt into a cup of warm water, and watches it dissolve. Why does the salt dissolve in water?

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Ivan Pavlov is most closely associated with

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Professional antigen-presenting cells (APCs) include B cells, macrophages, and (dendritic/plasma/T) cells

What will be an ideal response?

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