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Anna [14]
3 years ago
12

Please Help I will reward brainliest

Biology
1 answer:
Dmitry_Shevchenko [17]3 years ago
3 0
The first one is correct
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Assume that one of the disinfectant/antiseptics tested using the disc method had a clear zone of inhibition and to your surprise
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The presence of the minute growth near the disc signifies that the bacterial innoculum contains mutant microorganisms that are able to grow in the presence of toxic substances.

<h3>What are zones of inhibition?</h3>

The sensitivity testing in a microbiology laboratory is done to determine the effect of antibiotics on various bacteria organisms

The zone of inhibition when a disk method is used signifies the area of media where bacteria are unable to grow, due to presence of a drug that impedes their growth.

If there are presence of minute growth near the disc, it means that the bacterial innoculum contains mutant microorganisms that are able to grow in the presence of toxic substances such as disinfectants.

If these mutant bacteria organisms are not cleared by the disk method, it means that they cannot be killed by the disinfectant/antiseptics that is being tested.

Learn more about antiseptics here:

brainly.com/question/26994900

8 0
2 years ago
What are the climate regions that great white sharks typically live in?
Volgvan

Answer:

South Africa, Japan, Oceania, Chile, and the Mediterranean including Sea of Marmara and Bosphorus.

Explanation:

The last region where sharks live is the Temperate region. These waters are a mix between the frigid polar and the warm tropical water temperatures. The average temperature range for these Temperate regions is around 10º-21º C (50º-69.8º F).

5 0
3 years ago
After an explosion far away, a person working on a farm first senses vibrations in the ground, then hears the explosion. What ac
alisha [4.7K]
The vibrations travel faster than noise. When the ground moves it is coming directly from the source, and when you hear it the sound waves are big and take more time to travel.
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How do animals get the carbon atoms to form the CO2 molecules that they exhale ?
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Amino acids are the building blocks of _____.<br> proteins<br> sugars<br> carbohydrates<br> lipids
tester [92]

The amino acids are the building blocks of the proteins.  

Explanation:

The amino acids are the organic molecules made up of a carboxylic group, an amino group and a carbon side chain. The proteins are macromolecules, made up of amino acids. Many amino acids combine to form a protein. The structure of the protein depends on the sequence of the amino acids present in the structure of protein. A different protein has a different sequence of amino acids.  


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