You isolate a purify a bacteriophage that can replicate in E. coli. Through chemical analyses you determine that the only nucleic acid present is RNA
You isolate the RNA and put it in a test tube with all of the necessary proteins and RNAs for translation. The RNA is translated and new infectious virions are made. What does this tell you about the bacteriophage?
A) The RNA genome is of the plus sense.
B) The RNA genome is of the plus sense and RNA replicase is present in the viral capsid.
C) The new bacteriophage is a retrovirus.
D) RNA replicase is present in the viral capsid.
Answer: B
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The structure pictured in the figure is found in _____
A) skeletal muscles and smooth muscles B) cardiac muscles and skeletal muscles C) smooth muscles and cardiac muscles D) smooth muscles, skeletal muscles, and cardiac muscles E) smooth muscles
Hans Suess' work (or subsequent studies carried out by other researchers) determined that the amount of 13C in the Earth's atmosphere has ____________, and the amount of 14C in the atmosphere has ____________
A. decreased; increased B. increased; decreased C. decreased; also decreased D. increased; also increased
Which of the following statements is not true of the value ?H?
A) ?H is the change in heat content. B) ?H is the change in enthalpy. C) In biology, ?H is basically the same as ?E. D) A reaction with a positive ?H value is exothermic. E) ?H = ?E + ?(PV)
Identify the organism in the picture and the supergroup it belongs to. What characteristic(s) helped you to identify the organism? 
What will be an ideal response?