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lakkis [162]
3 years ago
9

Why are dead or weakened viruses used instead of normal viruses to create a vaccine?

Biology
2 answers:
Monica [59]3 years ago
8 0

because dead viruses aren't as effective as dead than "alive"

vodomira [7]3 years ago
5 0
I think its because vaccines are just to help your body learn how to fight off the virus, it’s not to actually give you the virus. Hope this helped!
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Answer:

Emulsifies fat, keeping tiny fat droplets suspended in the aqueous contents of the gut

Explanation:

  • Bile emulsifies fat, keeping tiny fat droplets suspended in the aqueous contents of the gut.
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3 years ago
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Otrada [13]

Answer:

pulmonary artery, so option 4

Explanation:

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Musya8 [376]

Answer:

I think a fish

Explanation:

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How many glucose molecules are made during one cycle of photosynthesis?
kondaur [170]
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Species can vary in several ways. Which of the following is one of Darwin's ideas that was accepted by most scientists of his ti
fenix001 [56]

Answer:

Due to the large number of fossils being discovered at that time Darwin proposed that species change over long periods of time.

Explanation:

The theory of Darwin was that the species change in accordance to their environment, thus they develop advantageous traits so that they can be more competitive.

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