Semiconductor technology has been the basis for many new electronic devices
Indicate whether the statement is true or false
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Which kinds of mutation tend to have the most dramatic effects on protein structure?
A) all mutations are equally dramatic B) those which change a single base that do not result in a change in the amino acid C) those which change a single base that result in a single amino acid being changed D) those that add or delete a base within a gene
A gasoline engine with an efficiency of 32.6% operates between a high temperature T1 and a low temperature T2 = 320 K. If this engine operates with Carnot efficiency, what is the high-side temperature T1?
a. 980 K b. 700 K c. 1 050 K d. 480 K e. 220 K
The ________ theory offers a likely explanation for the formation of ________.
A. density wave; spiral arms B. high rotation speed; spiral arms C. density wave; Galactic bulge D. high rotation speed; dark matter
The figure shows the orientation of a rectangular loop consisting of 80 closely wrapped turns each carrying a current I. The magnetic field in the region is (
) mT. The loop can turn about the y axis. If ? = 30°, a = 0.40 m, b = 0.30 m, and I = 8.0 A, what is the magnitude of the torque exerted on the loop?
A. 2.5 N ? m B. 1.5 N ? m C. 3.1 N ? m D. 2.7 N ? m E. 0.34 N ? m