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25 questions
Which are included in crime scene sketches? (choose all that apply)
time of death
scale
evidence
cause of death
location
The effect of type of music on heart rate was tested by a student. What is the INDEPENDENT variable in the experiment?
heart rate
type of music
time
What part of the hair is represented by letter A?
cuticle
cortex
medulla
root
What part of the hair is represented by letter B?
cuticle
cortex
medulla
root
What part of the hair is represented by letter C?
cuticle
cortex
medulla
root
Fingerprint ridge details (as shown here) are referred to as
minutiae
ridge details
loops
patterns
What fingerprint ridge pattern is seen here?
whorl
loop
arch
fork
What fingerprint ridge pattern is seen here?
whorl
loop
arch
fork
What fingerprint ridge pattern is seen here?
whorl
loop
arch
fork
Which part of blood is responsible for carrying oxygen?
red blood cells
white blood cells
platelets
Which part of blood is responsible for fighting infection?
red blood cells
white blood cells
platelets
Which part of blood is responsible for clotting?
red blood cells
white blood cells
platelets
The Kastle-Meyer test is a _____________ test because it suggest a sample MAY contain blood.
presumptive
confirmatory
What blood type is sample 2?
A
B
AB
O
What blood type is sample 4?
A
B
AB
O
In an experiment, the variable that is being measured in response to what the researcher is changing is
the independent variable
the dependent variable
the hypothesis
Which DNA bases pair together?
A-T
G-A
C-T
T-G
What does Y represent on the diagram above?
deoxyribose sugar
phosphate
A-T base pair
C-G base pair
What does the W and X represent on the diagram above?
deoxyribose sugar
phosphate
A-T base pair
C-G base pair
Which letter represents a histone?
A
B
C
D
Which letter represents a chromosome?
A
B
C
D
If a restriction enzyme cuts between base pairs GG|CC, how many DNA fragments will result?
1
2
3
4
Which suspect's DNA was found at the crime scene?
1
2
3
4
Which band is created by the LONGEST DNA fragments?
A
B
C
When DNA is run through gel electrophoresis, the DNA moves toward the __________ end of the gel.
positive
negative
neutral
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