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andre [41]
3 years ago
12

A researcher studies normal human fibroblast cells. They can be maintained in culture but die off after about 30 cell generation

s. Unexpectedly, a colony of cells continues to survive and divide past 30 generations. Which scenario is most likely true for these cells?
Social Studies
1 answer:
lana66690 [7]3 years ago
3 0

Answer:

The telomerase gene is being expressed.

Explanation:

Telomerase is the enzyme responsible for maintenance of the length of telomeres by addition of guanine-rich repetitive sequences. Telomerase activity is exhibited in gametes and stem and tumor cells.

Independent telomerase functions can be also involved in cell cycle regulation.

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A(n)<u> Solid</u> coupling is used when it is necessary to extend the length of a shaft or to provide a means of disconnecting a shaft.

The basic function of all couplings is to transmit power, accommodate misalignment and compensate for axial movement (end movement of shafts). Sometimes, a coupling is asked to absorb shock or vibration. A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power.

Types of Couplings:

  • Rigid coupling.
  • Flexible coupling.
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  • Split muff coupling.
  • Flange coupling.
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5 0
2 years ago
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D. crewing

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Crewing is the process involved in crew management. This management services are usually offered by specialized shipping companies, they are responsible for sourcing, human resources and manning of all types of vessels.

7 0
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Which of the following did NOT sponsor settlements in North America
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A ______ is a group of people who share a similar economic position in society based on their wealth and income.
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A social class is a group of people who share a similar economic position in society based on their wealth and income.

<h3>What do we know about a social class?</h3>

Social class, commonly known as class, refers to a group of people who have the same socioeconomic level. The idea of class, which refers to a group of people who share comparable economic circumstances, is significant in social theory and has been utilized extensively in censuses and studies of social mobility.

The term class initially became widely used in the early 19th century to describe the main social hierarchical divisions, taking the place of terms like rank and order. This usage was a reflection of how western European society had changed as a result of the political and industrial upheavals of the late 18th century.

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2 years ago
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