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saul85 [17]
4 years ago
5

These are all highly contagious foodborne illnesses that result from biological contaminants, except:

Biology
1 answer:
FrozenT [24]4 years ago
8 0

In the following choices below, the correct answer of which corresponds to the statement of a highly contagious food borne illness that results from biological contaminants is letter a, salmonella. The salmonella are pathogens that are intracellular. The infection occurs because of the contamination of food with feces.

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Which culturing method proivded the clearest results, the semisolid medium tube or the soft agar plate?
sattari [20]
The answer to this question would be soft agar plate.

The semisolid medium tube is mostly used for containing the specimen. It is hard to examine semisolid medium since the bacteria can grow in the upper part, middle part or even the lower part of the medium. In agar plate, the bacteria always growth in the upper part so it is easier to count the bacteria.
But semisolid can give some more information in determining whether the bacteria is anaerobic by looking for bubble inside the medium. Anaerobic bacteria can do fermentation that will produce air.
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3 years ago
The Great Pacific Garbage Patch will be difficult to physically clean up because _______.
Charra [1.4K]
Because it lies in international waters, no single nation is responsible for its creation, and filtering out all the plastic will also remove plankton.

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4 years ago
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What are the differences/similarities between dog and horse teeth?
Ivahew [28]

<u>The difference between dog and horse teeth are as follows:</u>

  • The dental formula of dog is 2 (I3/I3, C1/C1, P4/P4, M2/M3), whereas for the horse it is 2 (I3/I3, C1/C1, P4/P4, M3/M3).
  • The total number of teeth in the dog is 42, whereas in the case of the horse it ranges from 40 to 42.
  • In the the dog, upper jaw has 2 molar teeth, whereas in the case of the horse, the upper jaw has 3 molar teeth.

<u>The similarities between dog and horse teeth are as follows:</u>

  • The most notable similarity in the case of both the animals is that they have the same number of Incisor, Canine, and Premolar in the order of 3, 1, and 4 respectively.

3 0
3 years ago
How does substance A affect the amount of activstion energy needed by the process? Explain?
asambeis [7]

<u>Answer</u>:

Substance A affects the amount of the activation energy needed by the process by catalyzing the reaction. Enzymes are the natural biological catalyst that lowers the activation energy for a reaction to proceed faster at a low energy requirement.

<u>Explanation</u>:

The reactants in the solution react to form a product. For a reaction to happen some energy is needed. The energy which helps reactants to break some bonds and make other bonds to make a product is known as activation energy.

Enzymes are the biological molecules which lower this activation energy by catalyzing the reaction by helping in breaking old bonds and forming new bonds to create a product.

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3 years ago
What is one reason funding has such an important effect on scientific research?
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Well, experimentation can be really expensive, so when funding is provided it gets rid of a lot of obstacles.
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3 years ago
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