Which of the following is correct regarding the polymerse chain reaction test?
A. Sheep red blood cells are added to the gel.
B. Antigen and antibody are allowed to react first.
C. An enzyme-linked indicator is added.
D. The two strands of the DNA molecules are separated by heat.
Answer: D
You might also like to view...
Which of the following is mismatched?
A. Bartonella henselae - cat-scratch disease B. Bartonella quintana - trench fever C. Yersinia pestis - plague D. Rickettsia typhi - Rocky Mountain spotted fever E. Coxiella burnetii - Q fever
Refer to Figure 50-1. Which cells would be on the blood side of the blood testes barrier?
a. 1
b. 3
c. 4
d. 5
e. 6
Sue was monitoring the oil spill into the Gulf of Mexico from an oil tanker. From her observations, she noted that the oil was moving as large patches in the water. It did not appear as though the oil was dissolving into the water. Why did the oil not dissolve into the water?
A. Surface tension B. Water has a high heat of vaporization C. Hydrophobic interactions D. Water forms hydration shells E. Sea water acts as a solvent
When do cells undergo exocytosis?
a. when secreting protein and wastes from the cell b. when replicating c. when ingesting nutrients d. when pumping protons down a concentration gradient