Lab 2

Question 1

Staphylococci

Answer 1

Staphylococcus aureus

Question 2

Streptococci

Answer 2

Streptococcus pyogenes

Question 3

Diplococci

Answer 3

Streptococcus pneumonia

Question 4

Sarcina

Answer 4

Sarcina lutea

Question 5

Tetrads

Answer 5

Gaffkya tetragena

Question 6

Streptobacilli

Answer 6

Bacillus subtilis

Question 7

Diplobacilli (Snapping)

Answer 7

Mycobacterium tuberculosis

Question 8

Diplobacilli (Slipping)

Answer 8

Mycobacterium tuberculosis

Question 9

Coccobacilli

Answer 9

Escherichia coli

Question 10

Vibrio

Answer 10

Vibrio cholera

Question 11

Spirillum

Answer 11

Campylobacter spp

Question 12

Spirochete (Treponema)

Answer 12

Treponema pallidum

Question 13

Spirochete (Borrelia)

Answer 13

Borrelia spp

Question 14

Spirochete (Leptospira)

Answer 14

Leptospira interrogans

Question 15

They serve as the energy source or food reserve of the bacteria.

Answer 15

Granular inclusions

Question 16

Their presence is one of the important properties looked for in the identification of the organism.

Answer 16

Granular inclusions

Question 17

Granules that are located one or both ends known as ____

Answer 17

Polar bodies (Yersenia pestis)

Question 18

Granules which structures are glycogen, cyanophysin, granules, poly-B-hydroxybutyrate granules, carboxysomes, gas vacuoles and polyphosphate granules

Answer 18

Volutin or metachromic granules

Question 19

Polyphosphate granules

Answer 19

Babes Ernst bodies (Corynebacterium diphtheriae) & Much’s granules (Mycobacterium tuberculosis)

Question 20

Are exterior portion filament that rotates and thus, causes bacteria to be motile

Answer 20

Flagella

Question 21

It is important in the survivability and pathogenic ability of bacteria

Answer 21

Flagella

Question 22

They are hard to demonstrate because of their minuteness (0.12u)

Answer 22

Flagella

Question 23

The easiest method to demonstrate flagella is to use ______ as a mordant and to swell bacteria under the right pH and then stain them

Answer 23

tannic acid

Question 24

Example of a bacteria that has flagella

Answer 24

Proteus vulgaris

Question 25

Present in some bacteria especially those belonging to the Genus Bacillus and Genus Clostridium

Answer 25

Bacterial spore

Question 26

These structures are small, dormant structures located inside the bacterial cell

Answer 26

Bacterial spore

Question 27

They aid in the survival of bacterial against external conditions

Answer 27

Bacterial spore

Question 28

Bacterial spore is mainly composed of

Answer 28

Dipicolinic acid and Calcium ions (Calcium dipicolinate)

Question 29

Since spores are very resistant to physical and chemical agents of disinfection, thus ______ procedures must consider into account

Answer 29

Sterilization

Question 30

It helps bacteria to attached to the surface of solid objects or tissues

Answer 30

Glycocalyx

Question 31

An organized material that is firmly attached to the cell wall.

Answer 31

Capsule

Question 32

It serves as protection of bacteria from the attacks of human defense cell since it resists phagocytosis and desiccation

Answer 32

Capsule

Question 33

An unorganized material that is loosely attached to the cell wall. It can either inhibit phagocytosis and aid in the adherence of bacteria to surfaces

Answer 33

Slime layer