Chapter 3 VOCAB Quiz

Question 1

Comparison microscope-

Answer 1

A compound microscope that allows the side-by-side comparison of samples, such as hair or fibers

Question 2

Cortex-

Answer 2

The region of a hair located outside the medulla that contains granules of pigment

Question 3

Cuticle-

Answer 3

The tough outer covering of a hair that is composed of overlapping scales

Question 4

Gas Chromatography-

Answer 4

A method of separating chemicals to establish their quantities

Question 5

Hair follicle-

Answer 5

The actively growing base of a hair that contains DNA and living cells

Question 6

Hair shaft-

Answer 6

Part of the hair above the follicle; contains mitochondrial DNA

Question 7

Keratin-

Answer 7

A type of fibrous protein that makes up the majority of the cortex of a hair

Question 8

Medulla-

Answer 8

The central core of a hair

Question 9

Melanin granules-

Answer 9

Bits of pigment found in the cortex of a hair

Question 10

Mitochondrial DNA (mtDNA)-

Answer 10

Genetic material in the mitochondria of the cytoplasm of a cell; only inherited from the mother

Question 11

Nuclear DNA-

Answer 11

Genetic material in the nucleus of a cell