During mitosis, which stage represents the pairs of chromatids separating an equal number of chromosomes, and the centromeres duplicate?
a. Prophase c. Anaphase
b. Interphase d. Metaphase
C
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Technician Asays disc brakes are more prone to fade than drum brakes. Technician B says disc brakes are less prone to making noise than drum brakes. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A wall measures 8' ´ 12' and is insulated with R-13. Treat the wall as having continuous insulation (no studs). The temperature inside the home is 72°F, and the outside air temperature is 89°F. What is the conductive heat flow through this wall?
A. 113.08 Btu/hr B. 125.66 Btu/hr C. 1190.11 Btu/hr D. 2121.60 Btu/hr
Which of the following conditions is not a warning sign of unsafe roof conditions?
A. spongy feel as you walk on the roof B. Melting asphalt roof covering C. Multiple layers of roofing materials built upon itself, adding weight to the structural members D. Fire coming from the roof
A rivet is a metal pin without a head used to fasten two or more materials together.
Answer the following statement true (T) or false (F)