Where do electrons get their energetic in photostem i

1 answer:

6 0

Electrons in photosystem I are energized by electromagnetic radiation with a wavelength of about 690 nanometers(colour red). These electrons are received from plastocyanin to then be passed on to NADP to form NADPH+.

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A 9.0 is how many times more powerful than a<br> 4.0 on the Richter scale?

SCORPION-xisa [38]

Answer:

It increases 31.7 times between whole number

values.

Explanation:

"That is, the wave amplitude in a level 6 earthquake is 10 times greater than in a level 5 earthquake, and the amplitude increases 100 times between a level 7 earthquake and a level 9 earthquake."

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3 years ago

Which experimental design decision would most likely produce invalid and unreliable results?

grin007 [14]

Answer:

Explanation:

The independent variable determines the value that needs to be calculated or the decision that needs to be made from the observations of the experiment. Hence, experimental design decision would most likely produce invalid and unreliable results when having more than one independent variable.

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3 years ago

After strenuous exercise sore muscles can occur because of?

Anna007 [38]

Answer:

The correct answer is C. A buildup of lactic acid in the tissues.

Sore muscles after vigorous exercise are the result of lactic acid accumulation in the muscles.

Vigorous exercise reduces the levels of oxygen available in the muscles due to which complete oxidation of the glucose could not take place.

Muscle cells switch to another process called as lactic acid fermentation to produce energy. In this process, lactate dehydrogenase converts pyruvate into lactate and reduces NADH to NAD⁺.

This NAD⁺ enables the continuation of glycolysis which results in the production of net 2 ATP.

In addition, influx of materials such as nutrients, WBC, anti-inflammatory compounds etc into the muscle cell (for repair) causes swelling of the muscle fibers which is also the reason for the muscle soreness.