ii. Bacterial Shape And Size

Question 0

Largest bacteria

Answer 0

Thiomargarita namibensis

Question 1

Smallest bacteria

Answer 1

Mycoplasma sp

Question 2

Largest medically important bacteria

Answer 2

Borrelia burgodorferi (lyme disease)

Question 3

Only bacteria without a peptidoglycan cell wall

Answer 3

Mycoplasma

Question 4

Peptidoglycans are crosslinked by

Answer 4

Transpeptidase

Question 5

Targeted by lysozymes

Answer 5

B 1-4 linkage bn GlcNac and MurNac

Question 6

Unique to gram positive organisms

Answer 6

Teichoic acid

Question 7

Unique to gram negative organisms

Answer 7

Endotoxin/LPS

Question 8

Only gram positive with an endotoxin

Answer 8

Listeria monocytogenes

Question 9

Perisplasmic space found in?

Answer 9

Gram negatir

Question 10

Gram staining procedure

Answer 10

Crystal violet, iodine, acetone, safranin

Question 11

Primary stain

Answer 11

Crystal violet

Question 12

Mordant

Answer 12

Iodine

Question 13

Decolorizing agent

Answer 13

Acetone

Question 14

Counterstain

Answer 14

Safranin

Question 15

Mycobacteria stain

Answer 15

Acid fast stain

Question 16

Spirochetes altenative approach to staining

Answer 16

Darkfield microscopy

Question 17

Mycoplasma altenative approach to staining

Answer 17

Serology

Question 18

Legionella spp altenative approach to staining

Answer 18

Silver stain

Question 19

Chlamydia altenative approach to staining

Answer 19

Inclusion bodies

Question 20

Rickettsiae altenative approach to staining

Answer 20

Giemsa/ tissue stain

Question 21

Essential components of bacteria

Answer 21

Cell wall, cytoplasmic membrane, ribosome, nucleoid, mesosome, periplasm

Question 22

Contains many hydrolytic enzymes including B lactamases

Answer 22

Periplasm

Question 23

Non essential components of bacteria

Answer 23

Capsule, pilus/ fimbriae, glycocalyx, flagellum, spore, plasmid, granule

Question 24

Protects against phagocytosis

Answer 24

Capsule

Question 25

For attachment or conjugation

Answer 25

Pili, fimbriae

Question 26

Mediates adherence to surfaces

Answer 26

Glycocalyx

Question 27

Genes for antibtiotic resistance and toxins

Answer 27

Plasmid

Question 28

Site of nutrients in cytoplasm

Answer 28

Granule

Question 29

Only bacterial capsule that is composed of polypeptide of D- glutamate

Answer 29

Bacillus anthracis

Question 30

Example of spore forming gram + rods

Answer 30

Bacillus and clostridium

Question 31

Toxic proteins produced by certain bacteria that are lethal for other bacteria

Answer 31

Bacteriocins