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I think it is A . eubacteria
Answer:the fitness of an organism is the ability to survive and reproduce
Explanation:
Answer:
look the explanation
Explanation:
The development of antibiotics has revolutionized the treatment of infectious diseases. However, antibiotic overuse is a major contributor to the development of antibiotic-resistant bacteria. Antibiotic resistance is a genetic trait.
Answer:
The correct answer is -
1. right-handed
2. right-handed
3. positive
4. left-handed
5. negative
6. negative
Explanation:
In a circular bacterial chromosome, the structure of DNA is a right-handed double helix In a circular bacterial chromosome.
If DNA is twisted in the right-handed direction, it becomes overwound. Overwinding results in positive supercoiling takes place. If DNA is twisted in the left handd direction, it becomes underwound. Underwinding results in negative supercoiling.
f. One effect negative supercoiling in bacterial chromosomes is to promote separation of the two strands of DNA in the double helix
