Forensics

Question 1

The initial growth phase during which the hair follicle actively produces hair

Answer 1

Anagen phase

Question 2

A transition stage between the anagen and telogen phases of the hair growth

Answer 2

Catagen phase

Question 3

The main body of the hair shaft

Answer 3

Cortex

Question 4

The scale structure covering the exterior of the hair

Answer 4

Cuticle

Question 5

A translucent piece of tissue surrounding the hair’s shaft near the root that contains the richest source of DNA associated with hair

Answer 5

Follicular tag

Question 6

The process by which hair is analyzed to find out things about the person it came from

Answer 6

Hair Analysis

Question 7

A molecule with a high molecular mass

Answer 7

Macromolecule

Question 8

Fibers derived from either natural or synthetic polymers graph of cotton fiber

Answer 8

Manufactured fibers

Question 9

A cellular column running through the center of the hair

Answer 9

Medulla

Question 10

DNA present in small structures (mitochondria) outside the nucleus of a cell; mitochondria supply energy to the cell, DNA inherited from the mother

Answer 10

Mitochondrial DNA

Question 11

Two or more atoms held together by chemical bonds

Answer 11

Molecule

Question 12

The basic unit of structure from which a polymer is constructed

Answer 12

Monomer

Question 13

Fibers derived entirely from animal or plant sources

Answer 13

Natural fibers

Question 14

DNA that is present in the nucleus of the cell and that is inherited from both parents

Answer 14

Nuclear dna

Question 15

A substance composed of a large number of atoms that are usually arranged in repeating units

Answer 15

Polymer

Question 16

The final growth phase in which hair naturally falls out of the skin

Answer 16

Telogen phase

Question 17

Radiation composed of helium atoms minus their orbiting electrons

Answer 17

Alpha particle

Question 18

The sum of the number of protons and neutrons in the nucleus of an atom

Answer 18

Atomic mass

Question 19

The number of protons in the nucleus of an atom

Answer 19

Atomic number

Question 20

Radiation composed of electrons

Answer 20

Beta particle

Question 21

A type of emission spectrum showing a continuous band of colors all blending into one another

Answer 21

Continuous spectrum

Question 22

A negatively charged particle that is one of the fundamental structural units of the atom

Answer 22

Electron

Question 23

The path of electrons as they move around the nuclei of atoms, each orbital is associated with a particular electronic energy level

Answer 23

Electron Orbital

Question 24

Light emitted from a source and separated into its components, colors, or frequencies

Answer 24

Emission spectrum

Question 25

The state in which an atom absorbs energy and an electron moves from a lower to a higher energy level

Answer 25

Excited state

Question 26

A high energy form of electromagnetic radiation

Answer 26

Gamma Ray

Question 27

An atom differing from another atom of the same element in the number of neutrons it has in its nucleus

Answer 27

Isotope

Question 28

A type of emission spectrum showing a series of lines separated by black areas

Answer 28

Line spectrum

Question 29

A naturally occurring crystalline solid

Answer 29

Mineral

Question 30

A particle with no electrical charge that is one of the basic structures in the nucleus of an atom

Answer 30

Neutron

Question 31

The core of an atom, consisting of protons and neutrons

Answer 31

Nucleus

Question 32

A positively charged particle that is one of the basic structures in the nucleus of an arom

Answer 32

Proton

Question 33

The decomposition of organic matter by heat

Answer 33

Pyrolysis

Question 34

The emission of high-energy subatomic particles that accompanies the spontaneous disintegration of unstable nuclei

Answer 34

Radioactivity