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irina1246 [14]
3 years ago
9

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 ________
Biology
1 answer:
Aleonysh [2.5K]3 years ago
8 0

Answer:

The likely cause is pathogenic bacteria.

Explanation:

The pathogenic bacteria are bacteria that cause food poisoning through the contamination of food by faeces. Examples include Salmonella typhi, E. coli, Clostridium botulinum e.t.c.

This means that they are contacted through faecal oral route.

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Some micronutrients, such as vitamins e and c, can function as antioxidants in that they are able to:
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Why would losing just a few dozen aquatic species lead to the end of life in the ocean as we know it?
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3 years ago
The proportions of the bases are consistent within a species; however they do vary between species. Using the base-pair rules, c
Snezhnost [94]

Answer:

The correct answer would be:

                  A         G          C         T

Human:   31          19          19       31

Cow:         28         22      22         28

Salmon:     29       21       21         29

Wheat        27      23        23        27

Yeast         31         19       19         31

Explanation:

According to the rule of Chargaff which states or explains the amount of the A, T, G, and C bases in the DNA molecule. It says that the DNA of any organism should have a pyrimidine and purine ratio of 1:1. This means the amount of A would be equal to T and the amount G should be equal to the amount of C.

It also says that the amount of a and G would be equal to the amount of C and T. So on the base of this we can find the missing value in the table:

                    A         G          C         T

Human:   31          19          19       31   (A= T and G=C)

Cow:         28         22      22         28  (A= T and G=C)

Salmon:     29       21       21         29   (A= T and G=C)

Wheat        27      23        23        27 (100 - A+T = G+C)

Yeast         31         19       19         31 (A= T and G=C)

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