________ are unstable molecules that are formed during normal metabolism and are thought to contribute to aging, disease, and some cancers.
Fill in the blank(s) with the appropriate word(s).
Free radicals
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In serving their roles as gatekeepers, epithelial tissues demonstrate selective __________
Fill in the blank with correct word.
When a skier's body rotates in a direction opposite of the foot (held steady by the boot), what type of fracture is likely in the tibia?
A. spiral B. impacted C. depressed D. stress
The distribution of ABO blood types among Korean Americans differs markedly from
that of Native Americans in that A) Korean Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Native Americans have mostly type O, with type AB very rare. B) nearly all Native Americans are type AB, with very few type O. C) Native Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Korean Americans have mostly type O, with type AB very rare. D) nearly all Korean Americans are blood types A or B.
Match the term with the appropriate description.A. Dead tissueB. A floating clotC. Sudden decreased blood supply to a part of the brainD. A stationary clotE. A localized area of dead cells resulting from ischemiaStroke
Fill in the blank(s) with the appropriate word(s).