UPDATED Exam Questions and
CORRECT Answers
Two uses for lithium chloride - CORRECT ANSWER - Bipolar Disorder medication and
antidepressants
The for nucleotides found in DNA - CORRECT ANSWER - Adenine, Guanine, Thymine,
and Cytosine
What DNA stands for - CORRECT ANSWER - Deoxyribonucleic Acid
The two primary categories of fibers - CORRECT ANSWER - Natural and Synthetic
What the difference between a solvent and a solute in a mixture is - CORRECT
ANSWER - A solute is what is dissolved in the solute within the mixture
What the chemical basis for iodine fuming (ninhydrin) is - CORRECT ANSWER - Iodine
reacts with oils/fats, ninhydrin reacts with amino acids
What RF stands for - CORRECT ANSWER - Retention factory
The properties of DNA nucleotides that make DNA replication possible - CORRECT
ANSWER - Adenine only matches with thymine (and vice versa) and cytosine only
matches with guanine (and vice versa)
The meaning of M/Z in mass spectrometry - CORRECT ANSWER - Mass to charge ratio
, What AFIS stands for - CORRECT ANSWER - Automated Fingerprint Identification
System
Fingerprints are caused by - CORRECT ANSWER - The location of Volmer pads in thick
skin
The percentage of people with looped fingerprints - CORRECT ANSWER - 70%
The average amount of ridges on one adult finger - CORRECT ANSWER - 150
The protein that hair is mostly made from - CORRECT ANSWER - Keratin
DNA is replicated in a laboratory using this - CORRECT ANSWER - Polymerase Chain
Reaction (PCR) sequence
The insect that is most likely to come in contact with a dead body - CORRECT
ANSWER - Blow flies
The molecule that is tested in ABO blood testing - CORRECT ANSWER - Protein
The protein that hair is made of can be found in - CORRECT ANSWER - Nails and the
outermost layer of the skin
The percentage of people with a looped fingerprint - CORRECT ANSWER - 5%
The four steps to mass spectrometry - CORRECT ANSWER - Ionization, Acceleration,
Deflection, and Detection