Micro1009- Culture Characteristics, Ubiquity, And Environmental Sampling Lab Unit 2

Front 1

Back 1

Sediment with red pigment

Front 2

Back 2

Turbid

Front 3

Back 3

Ring

Front 4

Back 4

Pellicle

Front 5

Back 5

Pellicle with ring

Front 6

Spreading?

Back 6

Heavy spreading

Front 7

Spreading?

Back 7

Effuse

Front 8

Pigment?

Back 8

Water soluble

Front 9

Pigment?

Back 9

Non water soluble

Front 10

Back 10

Beaded

Front 11

Back 11

Rhizoid

Front 12

Edge?

Back 12

Filiform

Front 13

Edge?

Back 13

Echinulate

Front 14

Back 14

Turbid

Front 15

Back 15

Ring

Front 16

Back 16

Pellicle

Front 17

Back 17

Sediment

Front 18

Back 18

Flocculent

Front 19

Back 19

Streamer

Front 20

Spreading?

Back 20

Heavy spreading

Front 21

Spreading?

Back 21

Effuse

Front 22

Edges?

Back 22

Filiform

Front 23

Edges?

Back 23

Echinulate

Front 24

Back 24

Beaded

Front 25

Back 25

Rhizoid

Front 26

Turbid

Back 26

Cloudy

Front 27

Ring

Back 27

Bacterial growth along the water line

Suggests aerobic bacteria

Front 28

Pellicle

Back 28

A plug along the top of the liquid media

Suggests aerobic bacteria

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Sediment

Back 29

Bacterial growth along the bottom of liquid media

Front 30

Flocculent

Back 30

"Snow globe"

Must be gently shaken

Front 31

Streamer

Back 31

Vigorous vortexing of bacteria within liquid media

Must be shaken

Front 32

Heavy spreading

Back 32

Bacterial growth across the surface of the slant

Front 33

Effuse

Back 33

Bacteria growth spread down the middle of a slant

Front 34

Filiform

Back 34

Smooth edges along growth on a slant

Front 35

Echinulate

Back 35

Jagged edges on bacterial growth on a slant

Front 36

Beaded

Back 36

Beads of bacteria on slant

Front 37

Rhizoid

Back 37

"Roots"

Bacterial growth resembling the roots or branches of a tree on a slant

Front 38

Ubiquitous

Back 38

Referring to the fact that bacteria are found everywhere, in almost every environment

Front 39

Microbial colony

Back 39

Visible microbial growth resulting from the multiplication of a single organism on a solid surface

Front 40

Environmental factors that affect bacterial growth

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1. Time of growth

2. Temperature

3. Availability and the need of specific nutrients (and waste build up)

4. Humidity

5. pH

6. Salinity

Hint 40

6

Front 41

Typical time of growth

Back 41

24 hrs

Front 42

Typical temperature of incubation

Back 42

37°C (98.6°F)

Front 43

Salinity

Back 43

How much salt is in the solution?