Medical Bacteriology

Question 1

Prokaryotes are ___cellular

Answer 1

uni

Question 2

Eukaryotes are ___cellular

Answer 2

multi

Question 3

All of the proteins in prokaryotes start with the amino acid:

Answer 3

Formyl methionine

Question 4

All of the proteins in eukaryotes start with the amino acid:

Answer 4

Methionine

Question 5

Prokaryotes divide/reproduce by:

Answer 5

Binary fission

Question 6

Eukaryotes divide/reproduce by:

Answer 6

Mitosis and meiosis

Question 7

The genetic information in prokaryotes can be found in the:

Answer 7

Nucleoid region

Question 8

The genetic information in eukaryotes can be found in the:

Answer 8

Nucleus

Question 9

G+s have a ____ layer of peptidoglycan

Answer 9

thick

Question 10

G-s have a ____ layer of peptidoglycan

Answer 10

thin

Question 11

G+s stain the color:

Answer 11

Dark blue/purple

Question 12

G-s stain the color:

Answer 12

Pink/red

Question 13

Teichoic acid is present in:

Answer 13

G+s

Question 14

Lipopolysaccharide (LPS) is present in:

Answer 14

G-s

Question 15

An outermembrane is present in:

Answer 15

G-s

Question 16

____s are more susceptible to penicillin

Answer 16

G+

Question 17

Acid-fast stains are also known as ____

Answer 17

Ziehl-Neelson (ZN)

Question 18

ZN stain is used due to high amounts of ____ or ____ in the cell wall

Answer 18

lipid, wax

Question 19

The purpose of flagella and axial filaments is ____

Answer 19

mobility

Question 20

Pili/Frimbriae are for ____ and ____ between bacteria

Answer 20

attachment, conjugation

Question 21

The function of the capsule/glycocalyx is:

Answer 21

To evade white blood cells and sometimes attach to other cells

Question 22

The function of the cell wall is:

Answer 22

To protect the internal from the external

Question 23

LPS is anchored to the ___ ____ and contains ____ _ and _-____

Answer 23

outer membrane, Lipid A, O-antigen/polysaccharide

Question 24

The plasma membrane is a:

Answer 24

Phospholipid bilayer

Question 25

Inclusions are:

Answer 25

Reserve deposits of nutrients in vacuoles

Question 26

ZN stain is generally used on:

Answer 26

mycobacterium

Question 27

Describe the characteristics of C. Difficile and its unique feature that allows it survive in many environments.

Answer 27

Anaerobic, G+ bacillus, spore forming

Question 28

C. Difficile produces ____ which is not part of the cell sctructure

Answer 28

exotoxin

Question 29

C. Difficile can be fatal to ____ but not to ____

Answer 29

elderly, infants

Question 30

C. Difficile is transmitted by:

Answer 30

fecal to oral

Question 31

Describe the Gram stain and morphology for Staphylococcus

Answer 31

G+, cocci in clusters

Question 32

Describe the Gram stain and morphology for Streptococcous

Answer 32

G+, cocci in long chains

Question 33

How many chromosomes does a bacterium usually have?

Answer 33

One