FIVS 205 – Exam 2 Study Guide and Practice Questions
Which of the following is not a presumptive test for seminal fluids? - ANS✔✔ Prostate-specific
antigen
What is the most common start codon? - ANS✔✔ AUG
Why is mitochondrial DNA more useful compared to nuclear DNA? - ANS✔✔ "Because
Mitochondrial DNA is easy to recover for testing, even if it were damaged by environmental
factors"
Which bacterium causes semen to fluoresce? - ANS✔✔ Pseudomonas fluorescens
"When using the Benzidine test, what needs to happen to observe a color change?" - ANS✔✔
"Hemoglobin needs to oxidize the chemical, which then turns blue"
The Christmas tree stain colors which parts of the sperm cell? - ANS✔✔ "Green for the mid-
piece and tail, and red for the head "
What compounds give fecal matter its characteristic smell? - ANS✔✔ Indole
Methyl mercaptan
Skatole
What is known as the blueprint of life? - ANS✔✔ DNA
, What color does the starch-iodine test turn when amylase is present? - ANS✔✔ There is no
color change or it's clear
What is the result of a gene being expressed? - ANS✔✔ The protein it codes for is produced
Ejaculate volumes of human males range from (on average): - ANS✔✔ 2-6 ml
The sequence of amino acids is called the ________structure of a protein. - ANS✔✔ Primary
"When using the starch-iodine test, what needs to happen to observe a color change?" -
ANS✔✔ "Amylase needs to break down the starch in the plate, causing iodine to leave a cleared
area"
"According to the lecture, about how many victims were found during the Green River murder
investigation?" - ANS✔✔ 48
A positive Benzidine test is: - ANS✔✔ blue
Bacteria break down amino acids into: - ANS✔✔ Skatole
Which of these cells are unique to the vagina? - ANS✔✔ Glycogenated epithelial cells
What is considered the best test for the presumptive identification of semen? - ANS✔✔ Acid
phosphatase test
"When using the Phadebas reagent test, what needs to happen to observe a color change?" -
ANS✔✔ "Amylase needs to break starch from the dye, making the dye soluble and therefore
visible "
Which of the following is not a presumptive test for seminal fluids? - ANS✔✔ Prostate-specific
antigen
What is the most common start codon? - ANS✔✔ AUG
Why is mitochondrial DNA more useful compared to nuclear DNA? - ANS✔✔ "Because
Mitochondrial DNA is easy to recover for testing, even if it were damaged by environmental
factors"
Which bacterium causes semen to fluoresce? - ANS✔✔ Pseudomonas fluorescens
"When using the Benzidine test, what needs to happen to observe a color change?" - ANS✔✔
"Hemoglobin needs to oxidize the chemical, which then turns blue"
The Christmas tree stain colors which parts of the sperm cell? - ANS✔✔ "Green for the mid-
piece and tail, and red for the head "
What compounds give fecal matter its characteristic smell? - ANS✔✔ Indole
Methyl mercaptan
Skatole
What is known as the blueprint of life? - ANS✔✔ DNA
, What color does the starch-iodine test turn when amylase is present? - ANS✔✔ There is no
color change or it's clear
What is the result of a gene being expressed? - ANS✔✔ The protein it codes for is produced
Ejaculate volumes of human males range from (on average): - ANS✔✔ 2-6 ml
The sequence of amino acids is called the ________structure of a protein. - ANS✔✔ Primary
"When using the starch-iodine test, what needs to happen to observe a color change?" -
ANS✔✔ "Amylase needs to break down the starch in the plate, causing iodine to leave a cleared
area"
"According to the lecture, about how many victims were found during the Green River murder
investigation?" - ANS✔✔ 48
A positive Benzidine test is: - ANS✔✔ blue
Bacteria break down amino acids into: - ANS✔✔ Skatole
Which of these cells are unique to the vagina? - ANS✔✔ Glycogenated epithelial cells
What is considered the best test for the presumptive identification of semen? - ANS✔✔ Acid
phosphatase test
"When using the Phadebas reagent test, what needs to happen to observe a color change?" -
ANS✔✔ "Amylase needs to break starch from the dye, making the dye soluble and therefore
visible "
