Bacterial structure and function 1

Question 1

bacteria have : ___ circular DNA genome localized to the nucleoid

Answer 1

intronless

Question 2

bacteria ribosomes are __-s

Answer 2

70

Question 3

all bacteria have a ____ cell wall

Answer 3

peptidoyglycan

Question 4

all bacteria reproduce by

Answer 4

binary fission

Question 5

___ Bacteria have internal plasma membrane

Answer 5

all

Question 6

Gram+/- are differentiated by

Answer 6

second external membrane

Question 7

if a cell has a second external membrane than it is

Answer 7

gram negative

Question 8

____ has a much thicker cell wall

Answer 8

gram positive

Question 9

gram stain procedure: ___ –> apply crystal violet –> iodine –> decolarize –> coutnerstain (usually with safranin)

Answer 9

gram stain procedure: FIX –> apply crystal violet –> iodine –> decolarize –> coutnerstain (usually with safranin)

Question 10

gram stain procedure: fix –>____ –> iodine –> decolarize –> coutnerstain (usually with safranin)

Answer 10

gram stain procedure: fix –> APPLY CRYSTAL VIOLET –> iodine –> decolarize –> coutnerstain (usually with safranin)

Question 11

gram stain procedure: fix –> apply crystal violet –> iodine –> ___ –> coutnerstain (usually with safranin)

Answer 11

gram stain procedure: fix –> apply crystal violet –> iodine –> DECOLORIZE –> coutnerstain (usually with safranin)

Question 12

gram stain procedure: fix –> apply crystal violet –> iodine –> decolarize –> ____ (usually with safranin)

Answer 12

gram stain procedure: fix –> apply crystal violet –> iodine –> decolarize –> COUNTERSTAIN (usually with safranin)

Question 13

if cell held crystal biolet then it is gram ___

Answer 13

positive

Question 14

gram negative doesnt hold crystal biolet stain because its ___ resists it

Answer 14

outermembrane

Question 15

Gram Staining very seldom makes the ____, but does narrow down the differential fast&cheap

Answer 15

diagnosis

Question 16

if you get no CV what could it mean

Answer 16

either gram negative of acid fast

Question 17

___ causes septic shock

Answer 17

lps of gram negative

Question 18

do teichoic acids of Gram(+) cause septic shock

Answer 18

rarely

Question 19

____: slime layer for attachment

Answer 19

Glycocalices

Question 20

; ___ for immune evasion, attachment, tests, vaccines

Answer 20

capsule

Question 21

pili is for ___

Answer 21

attachement

Question 22

there eists ___ and ___ pilli

Answer 22

gram + and gram -

Question 23

gram ___ pili are simple and newly discoevered

Answer 23

+

Question 24

type 1, type 3, type 4 are types of ____ pilli

Answer 24

gram negative

Question 25

type 1 gram - are involved in

Answer 25

attachment

Question 26

type 3&4 gram - are involved in

Answer 26

secretion

Question 27

type 4 gram - are involved in

Answer 27

propulsion