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Valentin [98]
3 years ago
7

How can you catch streptococcus, a germ that causes strep throat, and if you do catch it, what is the best way to get rid of it?

Biology
1 answer:
Natalka [10]3 years ago
8 0
OK so I'll give you two examples you can catch it if someone who is infected coughs or sneezes so basically it can be spread via airborne or you can even get it from sharing food or drinks also the best way to get rid of strep will be antibiotics/over the counter medicines or gargling warm salt water
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How is variation introduced into populations of asexual organisms such as bacteria and amoebas?
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Answer:

In asexual reproduction an exact genetic copy of the parent organism is produced. Unlike sexual reproduction, asexual reproduction only introduces genetic variation into the population if a random mutation in the organism's DNA is passed on to the offspring.

Explanation:

6 0
3 years ago
Explain how it would be possible to have a change in a single base of DNA, but have the protein NOT change and be functional.
Y_Kistochka [10]
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You decide to repeat the Meselson-Stahl experiment, except this time you plan to grow the cells on light 14N medium for many gen
Effectus [21]

Answer:

One band of light density and one band of heavy density.

Explanation:

According to conservative model of replication, the original strands do not separate from each other during replication. Hence, after replication the old strands are together and the new strands are together.

Here, cells were grown in 14N medium first so 14N was used for DNA replication and all DNA molecules had 14N. When the cells were transferred to 15N medium, only 15N was available for replication process. New DNA molecules would be synthesised using 15N (15N15N) and old DNA molecules have 14N (14N14N). Hence, in density gradient one band will be of light density (14N14N) and one band will be of heavy density (15N15N).

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3 years ago
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jek_recluse [69]

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