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tigry1 [53]
1 year ago
12

E. coli is a species of bacteria that causes many different infections in humans. certain e. coli strains have developed resista

nce to antibiotics, making infections with these strains difficult to treat. how do bacteria such as e. coli, which reproduce asexually, gain new traits such as antibiotic resistance?
Biology
1 answer:
makvit [3.9K]1 year ago
6 0

<u> By </u><u>mutating</u><u> their DNA in response to</u><u> environmental conditions </u><u>to gain beneficial traits,  </u><u>reproduce asexually,</u><u> gain new traits such as </u><u>antibiotic </u><u>resistance.</u>

<u />

  • Antibiotic resistance in bacteria denotes the bacteria's incapacity to be treated by an antibiotic, which means the antibiotic's effectiveness against the bacteria is either abolished or diminished.

What environmental factors could cause DNA to mutate?

If mistakes are made and not fixed right away. Additionally, exposure to environmental elements including smoking, sunshine, and radiation can result in mutations.

Which type of mutation depend on the condition of the environment?

Somatic mutagenesis

  • Therefore, a large portion of an organism may have the same mutation.
  • These kinds of mutations, which can result in diseases like cancer, are typically brought on by environmental factors like ultraviolet radiation or any exposure to certain dangerous substances.

What is a mutation that is beneficial?

  • A type of mutation known as a beneficial mutation affects an organism in a favorable way.
  • These mutations are uncommon but important.

Learn more about mutation

brainly.com/question/17130462

#SPJ4

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Which of the following is the goal of the peer review process?
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Answer:  The ultimate goal of the peer review process is that you can have others review and look over your work for things that are incorrect, need fixing, or need rewording.  When we write things on our own, we sometimes make unconscious errors that we sometimes do not even catch in revision.  Having a new set of eyes look at something helps to catch errors that we might miss.  It is very similar to reading your work out load to catch errors, as reading something out loud is another effective strategy when reviewing your work.

7 0
3 years ago
A plane is traveling at 80 m/s. To prepare for landing, it decreases its speed to 50 m/s in 120 s.
emmainna [20.7K]

Answer:

The deceleration of the plane is 0.25 m/s^{2}.

Explanation:

Deceleration is the converse of acceleration.

From first law of motion, we have;

v = u + at

where: v is the final velocity, u is the initial velocity, a is the acceleration and t is the time taken.

Thus,

v = 50 m/s

u = 80 m/s

t = 120 s

50 = 80 + 120a

50 - 80 = 120a

-30 = 120a

a = \frac{-30}{120}

  = -0.25

a = -0.25 m/s^{2}

The deceleration of the plane is 0.25 m/s^{2}.

4 0
3 years ago
Differential survival and reproduction of individuals in response to environmental pressure that leads to changes in allele freq
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Answer:

The answer is natural selection.

Explanation:

Natural selection will make an organism to survive and reproduce because, it will be better suited to the environment.

This is the reason why natural selection is considered as a key mechanism of the evolution.

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Before a cell can divide it must copy one dna_____at a time in a process called DNA replication.
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Answer:

DNA replication is the process by which a molecule of DNA is duplicated. When a cell divides, it must first duplicate its genome so that each daughter cell winds up with a complete set of chromosomes.

Explanation:

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