Questions from Crime and Investigation

Q: The PCR technique requires the use of a thermal cycler to:

The PCR technique requires the use of a thermal cycler to: A) Synthesize protein. B) Copy DNA. C) Make probes radioactive. D) Hydrolyze polymerase. 12) In the PCR process, the first step is to hea...

Q: 31) An objective lens with a numerical aperture of 1.

31) An objective lens with a numerical aperture of 1.50 can separate details at half the distance of a lens with a numerical aperture of: A) 0.65. B) 3.00. C) 30.00. D) 0.75. 32) An object with the l...

Q: HV1 and HV2 are: A) Restriction enzymes.

HV1 and HV2 are: A) Restriction enzymes. B) STR types. C) Types of viruses. D) Regions of mtDNA. 22) Y-STR markers are useful when multiple males are involved in a sexual assault. If three men are...

Q: The specific proteins produced by a cell are directly related to the

The specific proteins produced by a cell are directly related to the: A) Sequence of nucleotides in the DNA of the cell. B) Number of mitochondria in the cell. C) Length of the chromosomes. D) Sequenc...

Q: Each cycle of the DNA Thermal Cycler takes approximately: A

Each cycle of the DNA Thermal Cycler takes approximately: A) 30 seconds. B) 4 hours. C) 2 hours. D) 2 minutes. 42) STRs normally consist of repeating sequences of: A) 13-17 bases. B) 18-2 bases....

Q: Which substance has the highest ignition temperature? A) Turpentine

Which substance has the highest ignition temperature? A) Turpentine B) Fuel oil #2 C) Benzene D) Kerosene 2) Telltale signs of arson include: A) Separate points of origin. B) Trails of burn pa...

Q: Which instrumentation is considered the most sensitive and reliable for detecting and

Which instrumentation is considered the most sensitive and reliable for detecting and characterizing flammable residues? A) NAA B) IR C) GC D) TLC 12) Arson investigators must work quickly to co...

Q: The quantity of heat from a chemical reaction comes from:

The quantity of heat from a chemical reaction comes from: A) The breaking and formation of chemical bonds. B) The presence of oxygen in the reaction. C) The emission of radiation. D) The composition o...

Q: The transfer of heat energy by the movement of molecules within a

The transfer of heat energy by the movement of molecules within a liquid or gas is: A) Radiation. B) Oxidation. C) Convection. D) Conduction. 32) What is the major advantage of using the vapor concen...

Q: Which is a device used to screen objects for the presence of

Which is a device used to screen objects for the presence of explosive residues? A) X-ray diffraction B) Mass spectrometry C) Infrared spectrophotometry D) Ion mobility spectrometry 42) A procedure c...