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natali 33 [55]
2 years ago
10

In a laboratory study, antibiotic resistance was shown to arise in populations of lab-grown bacteria in as few as twenty generat

ions. As the dose of antibiotic increases, the bacterial populations continue to develop resistance to the drugs. A laboratory researcher makes a claim as to the origin of the gene that confers antibiotic resistance in the bacterial population. Which of these claims accurately supports that genetic variation could arise in the bacterial populations in the laboratory? Select ALL that apply. A)Bacteria can exchange chromosomes via homologous pairing in meiosis. B)Chromosome number can double when bacterial cells fertilize other bacteria, creating genetic diversity. C)Changes to the genome can occur when the bacteria reproduce , forming offspring with new phenotypes. D)Viable errors in replicating the bacterial chromosome can lead to genetic changes that result in new phenotypes. E)Induced mutations occur in the genome of he bacteria when the DNA is exposed to environmental factors that act as mutagens.
Biology
1 answer:
ohaa [14]2 years ago
5 0

Answer:C,D,E

Explanation:I did the USA test prep

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Answer:

Down below

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1. if you have a lack of oxygen while in a state of heavy movement your heart will stop pumping blood because your whole body isnt receiving enough oxygen and now everything will begin to shutdown

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2. The two test tubes were placed in a hot water bath at 37oC. This is because the enzyme studied is a human enzyme and it works best at the human body temperature, which is approximately 37oC.
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After they are absorbed, they are used to build muscles or other compounds which can produce energy.
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2 only please and thank u
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G) The objects must be different temperatures

The way that heat transfer works is that the warmer object transfers energy to the colder one in order to reach equilibrium

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