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AP Chemistry > Forensics > Flashcards

Forensics Flashcards

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1
Q

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

A

Anagen phase

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2
Q

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

A

Catagen phase

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3
Q

The main body of the hair shaft

A

Cortex

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4
Q

The scale structure covering the exterior of the hair

A

Cuticle

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5
Q

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

A

Follicular tag

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6
Q

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

A

Hair Analysis

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7
Q

A molecule with a high molecular mass

A

Macromolecule

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8
Q

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

A

Manufactured fibers

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9
Q

A cellular column running through the center of the hair

A

Medulla

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10
Q

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

A

Mitochondrial DNA

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11
Q

Two or more atoms held together by chemical bonds

A

Molecule

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12
Q

The basic unit of structure from which a polymer is constructed

A

Monomer

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13
Q

Fibers derived entirely from animal or plant sources

A

Natural fibers

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14
Q

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

A

Nuclear dna

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15
Q

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

A

Polymer

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16
Q

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

A

Telogen phase

17
Q

Radiation composed of helium atoms minus their orbiting electrons

A

Alpha particle

18
Q

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

A

Atomic mass

19
Q

The number of protons in the nucleus of an atom

A

Atomic number

20
Q

Radiation composed of electrons

A

Beta particle

21
Q

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

A

Continuous spectrum

22
Q

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

A

Electron

23
Q

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

A

Electron Orbital

24
Q

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

A

Emission spectrum

25
Q

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

A

Excited state

26
Q

A high energy form of electromagnetic radiation

A

Gamma Ray

27
Q

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

A

Isotope

28
Q

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

A

Line spectrum

29
Q

A naturally occurring crystalline solid

A

Mineral

30
Q

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

A

Neutron

31
Q

The core of an atom, consisting of protons and neutrons

A

Nucleus

32
Q

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

A

Proton

33
Q

The decomposition of organic matter by heat

A

Pyrolysis

34
Q

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

A

Radioactivity

AP Chemistry (5 decks)

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