Human Pathogens - Taxonomy

Question 1

Viruses are considered…

A. Prokaryotic organism
B. Eukaryotic organism
C. Obligate intracellular organism

Answer 1

C. Obligate intracellular organism

Question 2

Viruses can have (DNA/RNA) genome

Answer 2

Either one, but not both

Question 3

Do viruses have an envelope?

Answer 3

They can, but some don’t have any

Question 4

What are on the cell walls of fungi?

Answer 4

1. Chitin
2. Glucans
3. Mannans

Question 5

What is the major sterol found in fungi?

Answer 5

Ergosterol

Question 6

Fungi are considered…

A. Prokaryotic organism
B. Eukaryotic organism
C. Obligate intracellular organism

Answer 6

B. Eukaryotic organism

Question 7

Bacteria are considered…

A. Prokaryotic organism
B. Eukaryotic organism
C. Obligate intracellular organism

Answer 7

A. Prokaryotic organism

Question 8

Do mycoplasma have a cell wall?

Answer 8

Nope

Question 9

1 chromosome, circular

Prokaryote or eukaryote

Answer 9

Prokaryote

Question 10

> 1 chromosome, linear

Prokaryote or eukaryote

Answer 10

Eukaryote

Question 11

DNA without histones

Prokaryote or eukaryote

Answer 11

Prokaryote

Question 12

DNA with histones

Prokaryote or eukaryote

Answer 12

Eukaryote

Question 13

Contains Mono- and polycistronic mRNA

Prokaryote or eukaryote

Answer 13

Prokaryote

Question 14

Contains just monocistronic mRNA

Prokaryote or eukaryote

Answer 14

Eukaryote

Question 15

Contains just exons, no introns

Prokaryote or eukaryote

Answer 15

Prokaryote

Question 16

Contains both exons and introns

Prokaryote or eukaryote

Answer 16

Eukaryote

Question 17

Has no nucleus

Prokaryote or eukaryote

Answer 17

Prokaryote

Question 18

Has a nucleus

Prokaryote or eukaryote

Answer 18

Eukaryote

Question 19

Contains no membrane organelles

Prokaryote or eukaryote

Answer 19

Prokaryote

Question 20

Contains membrane organelles

Prokaryote or eukaryote

Answer 20

Eukaryote

Question 21

Contains 70S (30+50) ribosomes

Prokaryote or eukaryote

Answer 21

Prokaryote

Question 22

Contains 80S (40+60) ribosomes

Prokaryote or eukaryote

Answer 22

Eukaryote

Question 23

Multiplies via binary fission

Prokaryote or eukaryote

Answer 23

Prokaryote

Question 24

Multiplies via mitosis with cytokinesis

Prokaryote or eukaryote

Answer 24

Eukaryote

Question 25

Has two layers: cytoplasma and outer thick peptidoglycan layer

G+ or G-

Answer 25

G+

Question 26

Has three layers: cytoplasmic layer, thin peptiodglycan layer, and outer LPS

G+ or G-

Answer 26

G-

Question 27

Has low lipid content

G+ or G-

Answer 27

G+

Question 28

Has high lipid content

G+ or G-

Answer 28

G-

Question 29

Has no endotoxin

G+ or G-

Answer 29

G+

Question 30

Has an endotoxin

G+ or G-

Answer 30

G-

Question 31

Has no periplasmic space

G+ or G-

Answer 31

G+

Question 32

Has periplasmic space

G+ or G-

Answer 32

G-

Question 33

Has no porin channel

G+ or G-

Answer 33

G+

Question 34

Has a porin channel

G+ or G-

Answer 34

G-

Question 35

Is vulnerable to lysozyme + penicillin attack

G+ or G-

Answer 35

G+

Question 36

Resistant to lysozyme + penicillin attack

G+ or G-

Answer 36

G-

Question 37

G- has a (thin/thick) peptidoglycan layer

Answer 37

thin

Question 38

G+ has a (thin/thick) peptidoglycan layer

Answer 38

thick

Question 39

What makes up the peptidoglycan layer?

Answer 39

Repeating disaccharides w/ 4 AA linked together via transpeptidase

Question 40

G+ or G- contains teichoic acid

Answer 40

G+