cul char Flashcards

1
Q

Refers to the coloration observed in bacterial or fungal colonies grown in agar plates

A

Colony pigmentation

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2
Q

It measure the diameter of the colony in millimeters

A

Size

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3
Q

Size includes

A

Pinpoint, a small,, medium,, large

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4
Q

For filamentous organism

A

Dry weight determination

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5
Q

enumeration of bacteria in milk

A

Bio chemical activity

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6
Q

Most commonly used method

A

Plate count

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7
Q

It measures the number of viable cells

A

Plate count

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8
Q

enumeration of bacteria and milk, food, water and soil

A

Plate count

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9
Q

How many colonies in plate count

A

30 to 300 colonies

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10
Q

Polycarbonate membrane filter

A

Membrane or molecular filter

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11
Q

And numeration of bacteria in food and water including lakes and streams

A

Membrane or molecular filter

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12
Q

Microscopic count for prokaryotes

A

petroff-hauser counter

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13
Q

Microscopic count for prokaryotes and eukaryotes

A

Hemocytometer

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14
Q

I numeration of bacteria and milk and vaccine

A

Microscopic count

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15
Q

Microscopic count for milk

A

Breed count method

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16
Q

How many cells or millimeters in turbidimetric method

A

10,000,000 to 100,000,000 cells

17
Q

Methods of measuring bacterial growth

A

Cell count, cell mass, cell activity

18
Q

Measured by weighing, measuring nitrogen content, turbidimetric

A

cell mass

19
Q

Measured by microscopy, electronic particle counter or colony count

A

Cell count

20
Q

Measuring by relating bio chemical activity

A

Cell activity

21
Q

Colonies may either be flat or raised

A

Elevation

22
Q

Maybe be opaque, translucent or opalescent

A

optical features

23
Q

Size of punctiform

A

Less than 1 mm

24
Q

Size of small

A

1-2 mm

25
Q

Size of medium

A

3 to 4 mm

26
Q

Size of large

A

greater than 5 mm

27
Q

They can spread across the entire auger plate

A

Pseudomonas and Proteus

28
Q

glistening and yellow

A

circular

29
Q

Glistening and white

A

Irregular

30
Q

Veined and rough, yellow

A

rhizoid

31
Q

rough and white

A

Filamentous

32
Q

Density includes

A

Opaque, translucent, transparency