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ra1l [238]
3 years ago
10

If a pig is infected with a strain of avian influenza and human influenza at the same time and there is

Health
1 answer:
Digiron [165]3 years ago
3 0

Answer:

When a pig is simultaneously infected with an avian influenza strain and a human influenza strain, the two sets of genes present in the pig result in antigenic shift (option b).

Explanation:

Antigenic shift occurs when two different strains of a virus meet in an organism and combine to produce a new type of virus containing a mixture of the surface antigens of the strains that have combined.

Once two virus of different strains coexist in an organism they lose their viral capsid, exposing the genetic information that will be transcribed in the host cell into a different virus, containing the combination of the surface antigens of the viruses that were found in the mentioned organism.

    <em>The other options are not correct because mainly </em><em><u>genetic drift</u></em><em> refers to changes in the antigens of a virus due to repeated random mutations in the viral genome.</em>

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The protection from infection received when individuals susceptible to a particular disease live in a population where many indi
balandron [24]

Answer:

The correct answer is herd immunity

Explanation:

Herd immunity is a type of immunity provided by the major population which is vaccinated or immune against an infectious to some individual of their community which is not immune to that infection.

Herd immunity is generated only when most of the population is immune to that particular disease. For example, in measles, 90-95% of a population should be vaccinated against measles to provide herd immunity to the un-immune individuals. So the correct answer is herd immunity.

7 0
4 years ago
18. A salad recipe that serves 10 people requires 1 cups of celery. How much celery is needed for 5 servings?​
Black_prince [1.1K]

Answer:

5 cups

Explanation:

Because the recipe serves 10 people that's the serving size for that recipe then you multiply all ingredients by 5 that's how you get the answer

5 servings X 1 cup = 5 cups per 5 servings

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3 years ago
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4 years ago
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Which factor most strongly influences length of life expectancy, quality of health, and incidence of chronic illness among adult
Pachacha [2.7K]

Environmental influence , health habits , disease are the most common and strongly influence length of life expectancy, quality of health and incidence of chronic illness. Tobacco,exposed to smoke , poor nutrition , including diets low in fruits and vegetables and high in sodium and saturated fats.

There are some factors of chronic disease which effect , the main modification behavioral risk factors are tobacco use, alcohol use, an healthful diet and physical inactivity.

The most common risks that associated with the deaths of both men and women are high body mass index , and high fasting plasma glucose but greater cumulative impact on health comes from poor diet.

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What is T-PA?
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