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erica [24]
2 years ago
5

Bescribe the benefits to using tissue cultures to study medications used for treating cancer cells.

Biology
1 answer:
Dmitrij [34]2 years ago
3 0
If we do we can find the weak points in cancer contaminated cells
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Explain the phenomenon of photorespiration, including why it is thought to occur (evolutionarily speaking), and why plants have
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Photorespiration limits casualty products of light reactions that build up in the absence of the Calvin cycle. In many plants, photorespiration is a problem because on a hot, dry day it can drain as much as 50% of the carbon fixed by the Calvin cycle.  The closing of stomata reduces access to CO2 and causes O2 to build up. These conditions favor a seemingly not useful process called photorespiration.  In most plants (C3 plants), initial fixation of CO2, via rubisco, forms a three-carbon compound.  In photorespiration, rubisco adds O2 instead of CO2 in the Calvin cycle. Photorespiration eats up O2 and organic fuel and releases CO2 without producing ATP or sugar. Photorespiration can evolve relic because rubisco first evolved at a time when the atmosphere had far less O2 and more CO2. 

4 0
3 years ago
Sophia is looking at two rocks she collected in her travels. One of the rocks formed from small pieces of rock and the other roc
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Answer:

Different from one another.

Explanation:

Both rocks are different from one another because one rock is formed from small pieces of rock while the other is made of liquid rock. Due to formation from different types of materials both rocks are different from one another. If both rocks are formed from small pieces of rock or liquid rock, then we can say that both rocks are similar to each other in composition.

6 0
2 years ago
What type of cell division is occurring in the
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What year was it a thousand years ago?
Kruka [31]

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1021

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7 0
3 years ago
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How do nutrients and energy allow the changes shown in a life cycle?
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