1-Bacteria-Part I

Question 2

DNA within nuclear membrane

Answer 2

Eukaryotes

Question 3

Mitotic division

Answer 3

Eukaryotes

Question 4

DNA associated with histones

Answer 4

Eukaryotes

Question 5

Single chromosome number

Answer 5

Prokaryotes

Question 6

Membrane-bound organelles

Answer 6

Eukaryotes

Question 7

70S (50S + 30S)

Answer 7

Prokaryotes

Question 8

80S (60S + 40S)

Answer 8

Eukaryotes

Question 9

Cell wall containing peptidoglycan

Answer 9

Prokaryotes

Question 10

Thick, multilayer peptidoglycan

Answer 10

Gram-Positive

Question 11

Teichoic acids

Answer 11

Gram-Positive

Question 12

Single layer peptidoglycan

Answer 12

Gram-Negative

Question 13

Lipopolysaccharide

Answer 13

Gram-Negative

Question 14

Periplasmic space

Answer 14

Gram-Negative

Question 15

Primary stain

Answer 15

Crystal violet

Question 16

Mordant

Answer 16

Iodine

Question 17

Decolorizing agent

Answer 17

Alcohol

Question 18

Counterstain

Answer 18

Safranin

Question 19

O Antigen

Answer 19

Cell wall

Question 20

Site of oxidative and transport enzymes

Answer 20

Cytoplasmic membrane

Question 21

Lipoprotein bilayer without sterols

Answer 21

Cytoplasmic membrane

Question 22

Protein synthesis; RNA and protein in 50S and 30S subunits

Answer 22

Ribosome

Question 23

Genetic material

Answer 23

Nucleoid

Question 24

Participates in cell division and secretion

Answer 24

Mesosome

Question 25

Invagination of plasma membrane

Answer 25

Mesosome

Question 26

Contains many hydrolytic enzymes

Answer 26

Periplasm

Question 27

Space between plasma membrane and outer membrane

Answer 27

Periplasm

Question 28

Protects against phagocytosis

Answer 28

Capsule

Question 29

Attachment, conjugation (glycoprotein)

Answer 29

Pilus

Question 30

Attachment, conjugation (glycoprotein)

Answer 30

Fimbria

Question 31

Mediates adherence to surfaces

Answer 31

Glycocalyx

Question 32

Motility

Answer 32

Flagellum

Question 33

H antigen

Answer 33

Flagellum

Question 34

Resistance to heat and chemicals

Answer 34

Spores

Question 35

Keratin-like coat, dipicolinic acid

Answer 35

Spores

Question 36

Genes for antibiotic resistance and toxins

Answer 36

Plasmids

Question 37

Site of nutrients in cytoplasm

Answer 37

Granules

Question 38

All have cell walls composed of peptidoglycan EXCEPT

Answer 38

Mycoplasma

Question 39

All gram-positive bacteria have no endotoxin EXCEPT

Answer 39

Listeria

Question 40

All bacterial capsules are composed of polysaccharide EXCEPT

Answer 40

B. anthracis

Question 41

All exotoxins are heat-labile EXCEPT

Answer 41

Staphylococcus enterotoxin

Question 42

DNA transferred from one bacterium to another

Answer 42

Conjugation

Question 43

Conjugation

Answer 43

Prokaryotes

Question 44

DNA transferred by a virus from one cell to another

Answer 44

Transduction

Question 45

Transduction

Answer 45

Prokaryotes

Question 46

Purified DNA taken up by a cell

Answer 46

Transformation

Question 47

Transformation

Answer 47

Prokaryotes and Eukaryotes

Question 48

Lytic and Lysogenic cycle

Answer 48

Transduction

Question 49

Griffith's experiment

Answer 49

Transformation

Question 50

Exotoxin

Answer 50

Gram-positive and gram-negative

Question 51

Endotoxin

Answer 51

Gram-negative

Question 52

Secreted from cell (exotoxin or endotoxin?)

Answer 52

Exotoxin

Question 53

Polypeptide (exotoxin or endotoxin?)

Answer 53

Exotoxin

Question 54

Lipopolysaccharide (exotoxin or endotoxin?)

Answer 54

Endotoxin

Question 55

Plasmids or bacteriophage (exotoxin or endotoxin?)

Answer 55

Exotoxin

Question 56

Bacterial chromosome (exotoxin or endotoxin?)

Answer 56

Endotoxin

Question 57

High toxicity (exotoxin or endotoxin?)

Answer 57

Exotoxin

Question 58

Highly antigenic (exotoxin or endotoxin?)

Answer 58

Exotoxin

Question 59

Toxoids used as vaccine (exotoxin or endotoxin?)

Answer 59

Exotoxin

Question 60

Destroyed rapidly at 60degC (exotoxin or endotoxin?)

Answer 60

Exotoxin (Except staphylococcal enterotoxin)

Question 61

Stable at 100degC for 1 hr

Answer 61

Endotoxin

Question 62

Tetanus

Answer 62

Exotoxin

Question 63

Meningococcemia

Answer 63

Endotoxin

Question 64

Botulism

Answer 64

Exotoxin