What are Confirmatory tests? and an example

Biology

2 answers:

qwelly [4]2 years ago

6 0

Answer:

Confirmatory test are also called diagnostic test.

They confirm out a medical condition in an individual with concerning symptoms or an out of range screening result.

Explanation:

Examples of confirmatory test are;

Acid phosphatase test for sermen.

Cobalt thiocyanate test for cocaine.

Kastle Meyer test for blood.

Malachite green test for blood.

Scilla [17]2 years ago

4 0

Answer:

Brainliest please

Explanation:

A confirmation test refers to a lab procedure conducted after an initial screen of a submitted sample (commonly urine, hair, blood, breath, or oral fluids) indicates positive results of drug metabolites in the system.

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You dilute an unknown sample of bacteria to 1 x 10-6 and plate out 10 onto a Petri dish. The next day you count 64 colonies. The

Sveta_85 [38]

Answer:

Explanation:

The correct answer would be 6.4 x $10^6$ cells/ul.

For 1 x 10-6 dilution, the plating factor is $10^6$ . To find the number of bacteria in the original sample, the plating factor is multiplied by the colony count per ul.

<em>Number of viable bacteria = plating factor x colony count/ul</em>

Since 10 ul gives 64 colonies. 1 ul will give:

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Therefore, the viable bacteria in the original sample = 6.4 x $10^6$ cells/ul

The correct option is b.

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2 years ago

In an ecosystem, can there be more carnivores than herbivores ?

vodka [1.7K]

There can but it will not last long. There are probably more carnivores because they were taking advantage of the supply of herbivores and now they will start to die off. So I guess my answer is no, not normally and not for a long time.

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3 years ago

When a cel is placed in this type of solution, there will be equal amounts of water moving in and out of the cell at equal rates

Triss [41]

Answer:

B, Isotonic solution

Explanation:

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2 years ago

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