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Vlada [557]
3 years ago
12

Why can a cell not survive under conditions of unlimited growth?

Biology
2 answers:
svet-max [94.6K]3 years ago
8 0

Answer:

Cell depend on dependent upon exogenous signals for survival, growth, and proliferation. The growth factor influencing cell growth can be examined using a signal molecule called interleukin-3(IL-3).

The cells having dose of interleukin-3 below threshold undergo apoptosis or natural death, otherwise unlimited growth can cause cancer.

As per the study, high rate of growth factor results in shortening of G1 phase of the cell cycle and leads to more rapid proliferative expansion. the cells which grows under high concentrations of growth factor are more susceptible  to cell death during growth factor withdrawal.

Hence, cell are not able to survive under conditions of unlimited growth.

andre [41]3 years ago
4 0
Because, substances can pass through it while others can not but Oxygen, good molecules,
and waste products can only go through it.
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If you flip a penny 99 times and each time it came up heads then the chance of the penny coming up heads is ___
Helga [31]
The chances of heads as a result when flipping a penny will always be 50%. Although heads came up 99 times in a row, the events that occurred before will not affect the probability of the current event in terms of a coin flip.

There are 1 out of 2 chances of it occurring or 1/2. Divide that and multiply it by 100% to get the probability in percent. So the answer will be 50%.

The answer is B.
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3 years ago
What are the differences scientists use to<br> classify animals?
Dovator [93]

Thanks for the question,

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<h3>Hope it helps!</h3>

8 0
2 years ago
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An artist is reviewing plans for a granite statue. The statue will be displayed outdoors. How could the plans be revised to redu
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3 years ago
F a person is shot, and the bullet destroys the part of the brain called the _____________, which maintains basic life functions
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6 0
3 years ago
What conclusions can we draw from the lab about photosynthesis and cellular
GuDViN [60]

Answer:

Carbon dioxide and oxygen are recycled through photosynthesis and cellular

respiration forever unless something interrupts.

Explanation:

Photosynthesis and cellular respiration are two distinct and opposite metabolical processes undergone by living cells. They are opposite processes because one utilizes the products of the other as reactants.

Photosynthesis is a unique process to autotrophic organisms like plants. It is the process whereby plants synthesize their food in form of organic molecules (glucose) by combining Carbondioxide (CO2) and water (H2O) in the presence of sunlight.

The overall equation of photosynthesis is as follows:

6CO2 + 6H2O ------> C6H12O6+ 6O2

On the other hand, cellular respiration is the process whereby living cells obtain energy (ATP) by breaking down food molecules (glucose) using oxygen to produce carbondioxide (CO2) and water as products. The overall equation is:

C6H12O6 + 602 -----> 6CO2 + 6H2O

Based on the lab experiments, it can be concluded that Carbon dioxide and oxygen are recycled through photosynthesis and cellular

respiration because photosynthesis recycles/reuses the products of cellular respiration, which are C02 and H2O while cellular respiration recycles/reuses the products of photosynthesis, which are C6H12O6 and O2. This process occurs naturally in the environment and will continue to do so unless something interupts.

Option B is incorrect because light energy from the sun powers photosynthesis while option C is incorrect because photosynthesis transforms light energy to chemical energy while cellular respiration transforms chemical energy to thermal energy.

7 0
3 years ago
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