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sesenic [268]
3 years ago
6

Twenty-five people developed symptoms of nausea, vomiting, and diarrhea three to six hours after attending a church picnic where

they ate a ham and green bean casserole with cream sauce. The most likely cause of this case of food intoxication is _________.
a. Cholera toxin.b. Erythrogenic toxin.c. Aflatoxin.d. Botulinum toxin.e. Staphylococcal enterotoxin.
Biology
1 answer:
Rus_ich [418]3 years ago
5 0

Answer:

e. staphylococcal enterotoxin

Explanation:

Staphylococcal enterotoxin is a toxin that is produced by the bacteria Staphylococcus aureus. It is a toxin found inside the gastrointestinal tracts of the human body which is why it is called an enterotoxin and it results in food poisoning when consumed by humans.

Staphylococcal enterotoxin is proteinous in nature and it can be found on dairy products such as milk or cheeses that have been contaminated by Staphylococcus aureus.

After consumption of the contaminated milk or cheeses, the person begins to experience symptoms of nausea, diarrhea as well as vomiting.

Staphylococcal enterotoxin is a very heat stable toxin which means even though you heat up a food contaminated with this toxin, the bacteria may die by the toxins would still remain in the food.

The best way to avoid food poisoning by Staphylococcal enterotoxin is to avoid eating contaminated foods.

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Answer:

Explanation:

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5 0
3 years ago
A seagull flew 145 meters to the east at a constant velocity. It flew that distance in
muminat

Given parameters:

Displacement of the seagull  = 145m to the east

Time taken to cover the distance = 10s

Unknown:

Velocity  = ?

Solution:

Velocity is one of the physical quantities. It is the speed in a specific direction. Hence, velocity is a vector quantity having both magnitude and direction.

  So, mathematically;

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The velocity of the seagull is 14.5m/s due east

5 0
3 years ago
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Which of the following is a good indicator of reduced extinction threat for a species?
Alja [10]

Answer:

the answer is b., genetic diversity.

Explanation:

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6 0
3 years ago
The results of genetic crosses derived from Punnet squares assume that each gamete contains one allele for each trait, which com
Gnom [1K]

Answer:

Independent assortment

Explanation:

The law of independent assortment says that genes for different traits or characteristics assort independently from each other during gamete formation. So each contrasting character's pair assort independently and do not show any association with the pair of other characters.

So after gamete formation collectively the gametes have all the possible combinations of alleles because all the genes are assorted independently in gametes.

This independent assortment of traits leads to some new combination of characteristics in the offspring. Therefore the correct answer is independent assortment.

4 0
3 years ago
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<span>A network of small vessels and organs known as the LYMPH system carries chemicals throughout the body.</span>
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