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koban [17]
3 years ago
12

Explain how bacteria become resistant to antibiotics

Biology
1 answer:
Misha Larkins [42]3 years ago
5 0

Answer:

Some bacteria due to their structures and physiology are inherently resistant to some antibiotics. This could be due to lacking transport mechanism or lacking receptor sites. Bacterium develop resistance mechanisms by using instructions provided by their DNA. Resistance genes are often found in plasmids which are small pieces of DNA that carry genetic instructions from one germ to another. Meaning that some bacteria can share their DNA and cam make other germs become resistant.

I hope this can help you and that it was clear.

Apologies if it wasn't

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An outbreak occurs where the first case is detected on October 15th, the last case is detected on October 27th, and the peak is
aksik [14]

Answer:

12-14 october

Explanation:

The probable period of exposure is calculated as follows:

  1. Know  the range of the incubation period
  2. Start counting back from the days of the first case by subtracting the first number of incubation period range
  3. Count back the days from the last case by subtracting the last number of incubation period range.
  4. This will give a range which will be the period of exposure.

From the question,

  • Incubation period range 1-15
  • Date of first case = october 15
  • Therefore, first date of exposure = 15 -1 = 14
  • Date of last case = 22
  • Therefore, last date of exposure = 27 - 15 = 12
  • Thus, the range is 12-14 october which is the probable period of exposure.
7 0
3 years ago
1) What did you notice about the letter e when you increased in magnification from the 4x to the 10x and then to the 40x:
tia_tia [17]

Answer: U JUST NEED TO DRAW THE LETTER E BIGGER INN EACH CIRCLE!

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Explanation:

8 0
2 years ago
After a person recovers from the chickenpox the virus can lie dormant in the dorsal root ganglion in multiple levels of the spin
larisa [96]

Answer:

No

Explanation:

It is scientifically impossible.

5 0
3 years ago
Imagine walking through a tropical rainforest. You notice that there are different types of trees, birds, insects, and other org
Ksenya-84 [330]

Answer:

B. Organisms in each ecological system have evolved in that system and have adaptations suited for that environment.

Explanation:

According to natural selection theory, organisms need to continuously adapt and evolve within an environment or risk being wiped away from that environment.

Organisms that are not able to adapt to an environment are gradually replaced by those that have the capability to adapt and survive in that environment.

Those that are able to survive go ahead to reproduce and give rise to offspring with inherent ability to survive while those that cannot survive die off.

The correct option is B.

8 0
3 years ago
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Vaselesa [24]
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3 years ago
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