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3 years ago

How do bicarbonates influence biotic factors

Biology

2 answers:

Naya [18.7K]3 years ago

8 0

They buffer cells from extremes of pH

Savatey [412]3 years ago

3 0

they buffer cells from extremes of pH (apex)

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They are organized structures of dna

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3 years ago

Which of the following is true about the cells of the human body?

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Explanation:

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3 years ago

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Charles Darwin developed the theory of evolution. Scientific laws and theories are different from one another. Which of the foll

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3 years ago

Network Analysis in Practice Studying the social structure of sexual behavior and disease transmission is an example of network

riadik2000 [5.3K]

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Network Analysis in Practice Studying the social structure of sexual behavior and disease transmission is an example of network analysis in practice. From the attached file, Match each statement to the model of sexual transmission it describes.

a.The model of sexual transmission in which containment of disease is easiest.

b.The model of sexual transmission in which containment of disease is most difficult.

c.The model of sexual transmission in which infected members are not directly connected to one another.

Answer:

Panel Bridge 'B' between disjointed populations: The model of sexual transmission in which containment of disease is easiest.

Panel 'C' Spanning tree: The model of sexual transmission in which containment of disease is most difficult.

Panel 'D' Inverse core model: The model of sexual transmission in which infected members are not directly connected to one another.

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3 years ago

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In a macrotube (macrobroth) dilution susceptibility test, 1.0 ml of Mueller Hinton (MH) broth is pipetted into tubes 2 through 1

ExtremeBDS [4]

Answer:

In a macrotube (macrobroth) dilution susceptibility test,

1.0 ml of Mueller Hinton (MH) broth is pipetted into tubes 2 through 10, tube 11, and tube 13.

Two milliliters of MH broth is pipetted into tube 12;

1.0 ml of 200 micrograms/ml of ampicillin is added to tubes 1, 2, and 13.

A twofold serial dilution is performed in 1.0 ml amounts in tubes 2 through 10.

The standardized inoculum is diluted 1:200 and 1.0 ml is added to tubes 1 though 11.

The tubes are incubated for 20 hours at 350 C.

After this time, the tubes are examined for visual growth.

Tubes 6 through 7 are visibly turbid, while tubes 1 through 5 show no signs of growth. Tubes 1 through 5 are plated on blood agar, incubated overnight at 350C, and read for growth. Plates 1 through 4 show no growth while several colonies are observed on plate 5.

The MIC is:

The tubes 1 through 5.

Explanation:

The MIC is the tube which gets the lowest anti-biotic concentration showing no visible growth, and as tubes 6 through 7 are visible turbid.

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4 years ago