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myrzilka [38]
2 years ago
8

Complete the following sentence.

Biology
1 answer:
vagabundo [1.1K]2 years ago
7 0

Answer:

Alzheimer's

Hope this helps!

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Which characteristics describe bacteria? Check all that apply. are microscopic are single celled are multicelled have shapes tha
Angelina_Jolie [31]

Answer:

Are microscopic

Are single celled

Have shapes that include sphere, rod, and spiral

Do not have nuclei and membrane-bound organelles

Explanation:

5 0
3 years ago
What is mass?
Ad libitum [116K]

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Mass is the amount of matter in a substance measured in kilograms

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1 year ago
In patients infected with nonresistant strains of the tuberculosis bacterium, antibiotics can relieve symptoms in a few weeks. H
Natali [406]

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Infectious dose refers to the minimum number or amount of pathogens required in order to produce a disease or its symptoms. In the given case, the bacterium is non-resistant and is treated with antibiotics.

The antibiotics help in neutralizing the infectious agents; however, full course should be done to eliminate the infectious agent completely out of the body.

If the course is left in between then, there are very high chances that some bacteria may survive. They might not produce disease or symptoms as they would be less than infectious dose.

However, with time, the survived bacteria gain more and more mutations during replication which can develop antibiotic resistance capability in them.

In addition, it is also possible that the survived bacteria can get R-plasmid (which has antibiotic resistant gene) from body's normal flora or from any other infectious agent present in the body by the process of transformation or conjugation.

The R-plasmid enables them to survive even in the presence of antibiotics due to which the treatment of the disease might become difficult.

8 0
3 years ago
What structures solve the end replication problem for linear chromosomes?
omeli [17]

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Eukaryotes have solved the end-replication problem by locating highly repeated DNA sequence at the end, or telomeres, of each linear chromosome.

Explanation:

Telomeres are stretches of DNA at the ends of the chromosome, They protect the genetic data and make it possible for cells to divide.

3 0
3 years ago
How the animals and plants of a healthy ecosystem are organized and interact.
vlabodo [156]

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A healthy ecosystem consists of native plant and animal populations interacting in balance with each other and nonliving things (for example, water and rocks). ... Decomposers break down dead plants and animals, returning vital nutrients to the soil. Plants take up these nutrients, along with water, through their roots.

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