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ololo11 [35]
2 years ago
13

What happens to a cell cycle when cancer occurs?

Biology
2 answers:
sammy [17]2 years ago
7 0

Answer:

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:

Superficially, the connection between the cell cycle and cancer is obvious: cell cycle machinery controls cell proliferation, and cancer is a disease of inappropriate cell proliferation. Fundamentally, all cancers permit the existence of too many cells.

omeli [17]2 years ago
4 0

Answer:

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.

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Which bonds could a single carbon atom have
nadya68 [22]

Answer:Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms.

Explanation:

5 0
3 years ago
Which layer of the sun is shown extending into space in the picture above?
Westkost [7]

The Sun's outer gases extend far beyond the photosphere (Figure 6). Because they are transparent to most visible radiation and emit only a small amount of light, these outer layers are difficult to observe. The region of the Sun's atmosphere that lies immediately above the photosphere is called the chromosphere.

3 0
3 years ago
Read 2 more answers
Sergei Winogradsky Choose one: A. discovered microbial fermentation. B. developed a pure culturing system using agar. C. identif
NeX [460]

Answer:

D. Discovered chemolithotrophs in natural enviroments.

Explanation:

Sergei Winogradsky was a russian microbiologist. He observed in his research with genus of bacteria <em>Beggiatoa, </em>they were able to oxidize hydrogen sulfide as an energy source. Being the first example known of lithotrophs (organisms that use inorganic substrate in order to obtain energy).

7 0
3 years ago
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A mixture of gasses including oxygen nitrogen water and others that surrounds the earth is called the?
Soloha48 [4]

Answer:

The Atmosphere.

Explanation:

The atmosphere that surrounds Earth is made up of gases like nitrogen, carbon, oxygen, and water vapors.

3 0
3 years ago
Phage lambda lytic versus lysogenic phases are controlled by two proteins, Cro which leads to lysis and CII which leads to lysog
Juli2301 [7.4K]

Answer:

The maintainance of the lytic and the lysogenic cycle is done by the Cro and the lambda repressor proteins when the number of bacteria is higher than the number of viruses that is the mode of infectivity or MOI the virus under goes the lytic cycle. This is done by the cleaving of the proteins.

So high nutrient concentration in the gut promotes the growth of the E coli that forms a protease that cleaves the Cro protein and causes the activation of the lysis in the bacteria. So in the high nutrient concentration the bacteria is itself responsible for its lysis.

7 0
3 years ago
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