Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Forensic Science > Final 1 > Flashcards

Final 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Bore

A

A gun barrel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Caliber

A

The diameter of the gun barrel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Distance détermination

A

The process of estimating the distance between where a shot is fired and it’s target

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Griess test

A

Uses chemicals to develop gunpowder residue patterns, particularly around bullet holes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Grooves

A

The low areas cut into the barrel produced by rifling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Lands

A

Raised areas between the grooves in a gun barrel produced by rifling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Rifling

A

Spiral grooves cut into the barrel of a gun in order to make a bullet spin as it is fired

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Serial number

A

Numbers impressed on a good for identification purposes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Tool mark

A

When a tool comes into contact with another surface, like a door, and creates a scratch or impression.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Adipocere

A

The creation of a waxy substance, when there is hydrogenation of the fat in the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Algor mortis

A

The gradual cooling of the body after death, until it reaches the temperature of the air around

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Bill Bass

A

Founded the forensic anthropology facility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Body farm

A

Another name for the forensic anthropology facility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Cause of death

A

The medical problem that leads to death, such as blunt, force, trauma, internal bleeding, blood loss, or gunshot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Forensic autopsy

A

Post Mortem examination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Indicative acts

A

Actions or behaviors that may have taken place before death ( or the absence of these behaviors )

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Liver Mortis

A

The settling of blood in the lowest parts of the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Manner of death

A

This may be suicide or homicide in a forensic autopsy, as opposed to disease or other natural causes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Mechanism of death

A

Refers to any instrument or weapon used in a death, such as a knife or firearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Mummification

A

A drying of the body and it tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Putrefaction

A

afterdeath

Occurs because of bacterial activity and includes bloating, gas, formation, loss of hair and nails, and skin slippage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Rigor mortis

A

Relaxation of the bodies muscles after death, followed by gradual process of rigidity in the muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Taphonomy

A

The study of what happens to animals or humans between the time that they die in the time that their remains are found

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Hybridization

A

Binds together DNA with a complementary DNA sequence
Part of RFLP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Codis

A

A software program that contains DNA profiles of convicted, offenders, missing, persons, crime scene evidence, and other sources

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Denaturing

A

The breaking of the hydrogen bonds that hold the two strands of DNA together, creating single strands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Polymerase chain reaction

A

PCR
Creates strands of DNA from small samples of DNA at crime scenes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Complementary base pairing’s

A

Pairings on the DNA strands
Adenine bond with thymine AT
Cytosine bonds with guanine CG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Extension

A

creates a complementary new strand of DNA to the single strand
Part of PCR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Mitochondrial, DNA

A

Inherited from one’s mother, and is found outside of the cell nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Annealing

A

The process of reforming a double DNA strand
Part of pcr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Replication

A

The process of creating new DNA from existing DNA

33
Q

Chromosomes

A

Rod like structures that contain genetic material
Inside the nucleus of each cell
About 30,000 genes are found in each
#DNA

34
Q

DNA thermal cycler

A

Small sample of DNA placed here
Creates a copy of the DNA through an automated process
#PCR

35
Q

Genes

A

The basic and fundamental part of heridty

36
Q

Buccal cells

A

Cells from the lining of the inner cheek

37
Q

Mitochondria

A

The small structures in the cell that are responsible for creating energy and carry several pieces of DNA

38
Q

DNA typing

A

The means of distinguishing the DNA of one person from another
#STR

39
Q

Tandem repeats

A

A section of a chromosome that has multiple copies of a particular DNA sequence occurring in a repeating fashion
#STR

40
Q

Accelerant

A

Any substance used to start a fire

41
Q

Blast effect

A

The outward rush of gases from the bombs site of origin

42
Q

Explosion

A

When gases expand because of a chemical or mechanical action

43
Q

High explosives

A

These materials ignite, almost instantaneously, and include dynamite and TNT

44
Q

Hydrocarbons

A

Compound that consists of hydrogen and carbon
Mixtures of this often set deliberately with petroleum products, such as gasoline
#arson

45
Q

Ion-mobility spectrometer

A

Vacuum to test for explosive materials

46
Q

Low explosives

A

Decompose slowly, and include black powder and smokeless powder

47
Q

Molotov cocktails

A

Bombs made by placing gasoline in a glass jar and using an ignition source

48
Q

Point of origin

A

The place where a fire began

49
Q

Primary explosives

A

Easily ignited or detonated and are very sensitive to heat and friction
Type of high explosive

50
Q

Secondary explosives

A

much less sensitive to heat and friction
typically have to be ignited through the use of other explosive materials

51
Q

Substrate control

A

An uncontaminated sample
Taking for physical evidence suspected of containing a flammable liquid

52
Q

How long does gun powder residue remain on the shooters hand

A

 A few hours

53
Q

When is toolmark is found what is done first

A

Taking a photograph of the Mack

54
Q

What is used to make a cast of toolmark

A

Silicone rubber

55
Q

I tall suspected of being used at a crime scene should

A

Not be tried out in a tumor to see if it fits

56
Q

If a gun is fired from 1 inch or less from the target, the lead pattern will be in which shape

A

 A circle

57
Q

Bullets should be transported in what

A

 Tissue paper

58
Q

Rigor mortis typically disappears after how many hours

A

12 to 36 hours

59
Q

Forensic anthropology facility is located in which US state

A

Tennessee

60
Q

Pure dental diseases in teeth and ostheoarthritis common problems that show up on

A

Skeletal remains

61
Q

In liver mortis the discoloration on the body is often in which color

A

Purple

62
Q

How soon will insect activity weekend for a body left in the open?

A

Immediately

63
Q

During an autopsy

A

All organs are removed from the body, weighed and examined for any damage that might reveal information about the cause of death

64
Q

Within about three hours after death what happens to the eyes

A

A thin, cloudy film develops

65
Q

Liver Mortis reaches its maximum, how many hours after death

A

8 to 12 hours

66
Q

A light meal with digestion how many hours

A

One to two hours

67
Q

Who discovered DNA typing?

A

Alec Jeffries

68
Q

DNA sample should not be stored where

A

A car trunk

69
Q

How many bases are there in nuclear

A

 For

70
Q

Major potential problem with DNA evidence

A

Contamination

71
Q

MtDNA is transferred along

A

Matrilineal lineage

72
Q

About how many cells are present in our bodies?

A

60 trillion

73
Q

Techniques used to analyze DNA

A

PCR, STR,RFLP

74
Q

Where are chromosomes located in relation to a cell

A

Inside the nucleus of the cell

75
Q

What is the first technology used to analyze evidence arrived in lab from an explosion

A

Microscope

76
Q

Materials are evidence collected from and explosion are contained in

A

Airtight containers

77
Q

The outward rush of gases from the bomb side of origin can be as high as what

A

7000 mph

78
Q

PCR three stages

A

Denaturing, annealing, and extension

79
Q

IBIS

A

Integrated ballistic identification system
Database of digital images showing they identifying features of bullets and casings
Created for the bureau of alcohol, tobacco and firearms and explosives

Forensic Science (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions