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Alexus [3.1K]
3 years ago
5

HELP

Biology
1 answer:
Advocard [28]3 years ago
7 0
Called solar system because Sun is biggest and heaviest. Solar means sun planets revolve about (travel in circles around) the sun path a planet travels is called its orbit earth is the 3rd closest planet to the sun all the planets go around in the same direction (like clockwise or counterclockwise), in roughly the same plane, but at different speeds planets close to sun move fast, far out move slower closer a planet is to the sun, the hotter it is, more or less.
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What would be the expected effect on plants if the atmospheric CO2 concentration was doubled? What would be the expected effect
Elis [28]

Answer:

C3 plants would have faster growth rates; C4 plants would be minimally affected.

Explanation:

C3 and C4 pathways are the variations of dark reactions of photosynthesis present in green plants. The photosynthetic efficiency of C3 plants is reduced due to the affinity of RuBisCo enzyme for oxygen which in turn leads to the futile pathway of photorespiration. RuBisCo enzyme catalyzes the rate-limiting reaction of the C3 pathway. On the other hand, the C4 plants concentrate CO2 around RuBisCo in their bundle sheath cells of leaves to minimize photorespiration and exhibit higher rates of photosynthesis.

Increased levels of atmospheric CO2 would reduce the photorespiration in C3 plants and would allow them to fix CO2 efficiently due to the increased concentration of CO2 around the enzyme RuBisCo. The increased photosynthetic efficiency would help these plants to exhibit faster growth rates.

However, the photosynthetic rate of C4 plants is not limited by CO2 concentration as they themselves reduce photorespiration by spatial separation of primary carboxylation in mesophyll cell and CO2 fixation in bundle sheath cells. Hence, increased CO2 levels in the atmosphere would not have any impact on their photosynthetic rate and growth.  

4 0
3 years ago
Researchers use fluorescent labels and light microscopy to
Alenkinab [10]

Answer

That used to follow the movements of molecules in the cells.

Explanation:

4 0
3 years ago
For the moment magnitude scale, each increase on the scale represents 31.5 more energy released by the earthquake. Which is a go
nadya68 [22]

Answer:

27,000

Explanation:

The provided statement talks about an estimate of energy release by an Earthquake with a magnitude of 4 to a magnitude of 7. According to the statement, for the moment magnitude scale, 31.5 times more energy is released with increase of one magnitude scale. Therefore, if we take a rounded value of 31.5 as 30 and multiply it three times (30 X 30 X 30) to represent 3 scales (4 to 7) on moment magnitude scale, we will get 27,000 times more energy.

8 0
3 years ago
Describe the relationship between the reactants and products of photosynthesis and cellular respiration.
Leni [432]
The reactants of photosynthesis are carbon dioxide and water, meaning during photosynthesis carbon dioxide and water are taken in to create energy. The reactants of cellular respiration are glucose (sugar) and oxygen, these are taken in by animals and humans to produce energy.
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Explanation:
The end products of Photosynthesis are starting products(reactants) of Respiration.
End products of Respiration are starting products(reactants) of Photosynthesis
7 0
3 years ago
Look at the excerpts below from the Declaration of Independence.
baherus [9]

Answer:

I think the answer is John Locke

Explanation:

John Locke came up with the idea of the social contract, which allowed the government to govern the people, but in return the people could overturn the government if they were unsatisfied with the way the government was ran. This also adds on to John Locke's natural rights theory.

8 0
2 years ago
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