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4 years ago

Why are cancer cells harmful? Select all statements that apply.

Biology

1 answer:

sukhopar [10]4 years ago

7 0

Answer:

Cancer cells are harmfull because they absorb nutrients needed by other cells, block nerve connections and prevent organs from functioning properly (options A, B and C).

Explanation:

Cancer is the result of the loss of the mechanisms that regulate cell multiplication and tissue growth, generating tumors. These tumors can have cells similar to the tissue that originated them or undifferentiated cells, which determines the criterion of malignancy.

A cancerous tumor can affect the organism due to its growth and where it is located, affecting the function of the affected organ, invading other tissues and organs, sequestering the nutrients necessary for their development and function and even causing the interruption of nerve pathways.

Additionally, cancer cells can travel to other locations and cause secondary tumors, called metastases.

Learn more:

Carcinogen and cancer brainly.com/question/984334

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Which of the following best describes how behavioral isolation can prevent two species from interbreeding?

Maksim231197 [3]

Answer:

Explanation:

I think it is 3 because all other ones don't effect all types of species while three makes the most sense

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4 years ago

Most proteins destined to enter the endoplasmic reticulum _________. Group of answer choices are transported across the membrane

Svetlanka [38]

Answer:

Begin to cross the membrane while still being synthesized-C

Explanation:

The Endoplasmic Reticulum is a part of the endomembrane system of the cell which is mostly reponsible for the synthesis and modification of proteins, although synthesis of lipids in plant and animal are carried out here

For more synthesis of proteins, it

needs to be further transported into the Rough endoplasmic reticulum- the designated site for secretion after synthesis of proteins.

Also it has been found out that when this proteins enter the Endoplasmic Reticulum, they start to cross the membrane while still being synthesized.

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4 years ago

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What is a mineral that breaks in repeatable, predictable patterns is said to have this property?

olasank [31]

Pretty sure it's E, Cleavage

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3 years ago

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Describe ways that a human society's culture, agricultural practices, and health practices would be shaped by living in an area

Pachacha [2.7K]

Active volcanoes can affect the properties of the soil (e.g., pH) and therefore may alter agriculture and health.

<h3>What are active volcanoes?</h3>

Active volcanoes are geological formations that have regular cycles of eruptions, releasing liquid magma to the Earth's surface.

These eruptions are composed of rocks (or ash weathers) that generate fertile soils, but also may affect the respiratory airways.

Volcanic eruptions have devastating consequences for human populations and lead to destruction as well as societal collapse.

In conclusion, active volcanoes can affect the properties of the soil (e.g., pH) and therefore may alter agriculture and health.

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2 years ago

The large population of microbes that contribute to the gut microbiota and have an important role in food processing are called:

postnew [5]

The large population of microbes that contributes to the gut microbiota and have an important role in food processing are called <u>Commensal microorganisms</u> .

The human body is host to trillions of microbes or bacteria. Most of these are useful but may become harmful when out of control.

The microbiota consists of a wide variety of bacteria, viruses, fungi ,and other microorganisms present in a singular environment such as the human digestive tract.

<h3>Gut microbiota : </h3>

The gut microbiota is vast and complex collection of microorganisms that profoundly affects human health gut microbiota are present in the digestive tract of vertebrates including humans.

The function of gut microbiota in body function includes harvesting energy from digested food, protecting against pathogens, regulating immune system and strengthening biochemical barriers of the gut and intestine changes in microbiota composition can affects these functions.

The normal gut microbiota have specific functions like host nutrition metabolism, maintenance of structural integrity of the gut mucosal barrier, helps in immunity, protect against pathogens.

<h3>Commensal microorganisms:</h3>

Commensal microorganisms are those type of microbes that reside on either surface of the body or at mucosa without harming human health . commensal bacteria are 10 times more than the cells present in our body.

Example - Streptococcus oralis and Streptococcus salivarius .

Commensal microorganisms plays an important role against pathogens including respiratory pathogens. It acts on the host's immune system to induce protective response that prevents colonization an invasion by pathogens. On the other hand these bacteria can directly inhibits the growth of respiratory pathogens by producing antimicrobial products .it also competing for nutrients and adhesion sites. Provides the host with essential nutrients.

<h3>What are microbes ?</h3>

Microbes are tiny living things that are found all around us and are too small to be seen by eye. They live in soil, water and in air. The human body is the home of trillions of microbes.

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2 years ago