A(n) ____________ crack radiates outward, away from the load point.
a. impact
b. tensile
c. radial
d. mobs
Ans: c. radial
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Patients who have type 2 diabetes no longer express genes when exposed to insulin. How might this phenomenon be explained?
A. The insulin signal transduction pathway becomes permanently activated. B. Insulin can no longer bind to the insulin receptor because the receptor is mutated. C. The signal transduction pathways in the cells no longer exist. D. The nucleus of their cells are altered so that insulin can not bind. E. Transcription factors normally activated by insulin remain off.
Microspore mother cells produce microspores. What do microspores then develop into?
A. egg cells B. pollen grains C. synergids D. endosperm E. megaspores
Along with the egg, in the part of an embryo sac next to the micropyle you should find
a. the central cell. b. a seed. c. the pollen tube. d. synergids. e. antipodal cells.
Synesthesia occurs when
a. one sense is confused with another. b. two senses are perceived together. c. three senses are perceived together. d. sight and vision are perceived together. e. vision, taste, and pain are perceived together.