The armpit is which region?
A. Pectoral
B. Mammary
C. Axillary
D. Acromial
Answer: C
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T lymphocytes directly destroy virus-invaded cells and mutant cells by releasing chemicals that punch lethal holes in the victim cells
a. True b. False Indicate whether the statement is true or false
Since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber
A) lengthens. B) shortens. C) strengthens. D) weakens. E) There is insufficient information to determine the answer.
Choose the correct pairing of macromolecule type to its function
A) lipid - manufactures proteins B) DNA - controls reaction rates C) carbohydrate - major source of energy D) protein - comprises majority of membrane structure E) RNA - determines our inherited characteristics
A warm surface loses heat to the air molecules continuously circulating over it by
A) conduction. B) radiation. C) evaporation. D) convection.