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Paha777 [63]
3 years ago
12

Cancer is a disease of enhanced proliferation and cell survival. DNA repair mechanisms are normally important for cell survival.

When a cell senses DNA damage, the cell cycle is inhibited until the damage is fixed. Given the importance of DNA repair mechanisms, how can their failure lead to the production of cancer cells with a competitive advantage over normal cells?
Biology
1 answer:
Softa [21]3 years ago
5 0

Answer:

Conclusion. Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.

Explanation:

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tangare [24]

Answer:

More than 7000 chemicals are present in tobacco smoke.

Explanation:

In these 7000 chemicals, 250 are harmful to the human body such as carbonmonoxide, ammonia and hydrogen cyanide etc. There are some chemicals that are found in tobacco smoke which causes cancer disease in human. About 69 chemicals out of 250 are present in tobacco smoke that causes cancer disease. So its consumption is dangerous for health.

3 0
3 years ago
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True or False. The complement system consists of several proteins that circulate in the blood and have the ability to enhance bo
nirvana33 [79]

Answer: False

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4 0
3 years ago
Match the following
Brilliant_brown [7]

Answer:

Matches according to the terms

Explanation:

1. Stratosphere: The layer of the atmosphere that the ozone layer is part of

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3. Hazardous: the type of solid, liquid, or gas wastes that are      

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4. Biodegradable: The type of wastes that can be broken down by other organisms into a reusable form

5.Nicotine: The addictive drug found in tobacco

6. Cancer: A disease frequently developed by smokers and passive smokers.

7.Diabetes:  A disease of the pancreas in which insulin is not produced in

The correct amounts so that glucose can be converted into

energy or stored as fat (insulin not given in the option)

8.Ozone: Organic compounds (VOCs), and nitrogen dioxide (NO) are

acted upon by sunlight

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10. Fossil fuel: Sulfur dioxide,aluminium,

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7 0
2 years ago
15
Sloan [31]

Answer:

COUNTRY/ Material

Explanation:

those are just obvious answers

8 0
3 years ago
What is the difference between weather and climate?
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Answer: D

Explanation:

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