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Anna11 [10]
3 years ago
11

Which of the following statements is correct regarding pathologic hyperplasia? - Produces abnormal proliferation of abnormal cel

ls. - Is an adaptive mechanism that enables organ regeneration. - Increases cell size. - May occur in response to growth factors.
Biology
1 answer:
Dennis_Churaev [7]3 years ago
4 0

Answer: May occur in response to growth factors

Explanation:  

Hyperplasia is increased cell production in a normal tissue or organ. Hyperplasia may be a sign of abnormal or precancerous changes. This is called pathologic hyperplasia.

Pathologic hyperplasia can occur in response to hormones and growth factors (for example in endometrial hyperplasia, the hyperplasia caused by excessive hormonal stimulation or growth factors acting on target. Thus, patients with hyperplasia of the endometrium are at increased risk for developing endometrial cancer.)  

Hyperplasia is also an important response of connective tissue cells in wound healing, in which proliferating fibroblasts and blood vessels aid in repair.

Under normal circumstances, growth factors are responsible for the hyperplasia. Stimulation by growth factors is also involved in the hyperplasia that is associated with certain viral infections, such as papillomaviruses, which cause skin warts and several mucosal lesions composed of masses of hyperplastic epithelium.

Other important concepts to note:

Dysplasia refers to abnormal changes in the size, shape, and organization of mature cells. Compensatory hyperplasia enables organ regeneration and is a normal process: hyperplasia is not normal. Pathologic hyperplasia increases cell number. Hypertrophy is an increase in the size of cells and consequently in the size of the affected organ.

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What is air pressure? At what elevation is air<br> pressure the highest? Why?
Step2247 [10]

Answer:

With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude. On top of Mount Everest, which is the tallest mountain on Earth, air pressure is only about one-third of the pressure at sea level.

5 0
3 years ago
Which combination of characteristics in a population would provide the greatest potential for evolutionary change?
labwork [276]

Which combination of characteristics in a population would provide the greatest potential for evolutionary change?

a. large population, few mutations

b. small population, many mutations

c. small population, few mutations

Small population, many mutations are the combination of characteristics in a population would provide the greatest potential for evolutionary change.

b. small population, many mutations

<u>Explanation:</u>

Stabilizing selection in development is a kind of common choice that supports the normal people in a populace. In little, reproductively detached populaces, extraordinary conditions exist that can create fast changes in quality frequencies absolutely autonomous of transformation and normal determination.

Natural Selection prompts a transformation change when a few people with specific qualities in a populace have higher endurance and regenerative rate than others and give these inheritable hereditary highlights to their posterity. The power of Natural Selection aside, populace size is as yet a factor to be considered.

6 0
3 years ago
What organism consumes primary consumers
Lapatulllka [165]

Answer:

Secondary consumers.

Explanation:

In a trophic pyramid, there are conventionally four levels. From the bottom they are: Producers, Primary Consumers: Secondary Consumers, and at the top we have tertiary consumers. Each level generally consumes animals in the level below it. Producers consist of plants.

7 0
3 years ago
Choose the best explanation of the difference between evolution and natural selection. Question 7 options: A) Evolution is the i
Bess [88]

The correct option here would be A. Evolution has to do with species changing over time while natural selection is a process that leads to evolution.

<h3>Evolution and natural selection</h3>

Evolution refers to the gradual changes to the morphological and or physiological characteristics of living organisms over time as a result of constantly trying to adjust to their environments.

Natural selection, on the other hand, refers to one of the processes through which evolution takes place. It refers to forces that select for or against traits in organisms.

More on evolution and natural selection can be found here: brainly.com/question/2725702

#SPJ1

8 0
1 year ago
Environmental science includes elements of other related science. Give two examples of related sciences
ehidna [41]

Answer:

may be they are history and geography

8 0
3 years ago
Read 2 more answers
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