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vodomira [7]
3 years ago
11

Please help me????????!!!!!!!!!!!!!!!!???????!!!!!?????!!!?

Biology
1 answer:
UNO [17]3 years ago
4 0

Answer: ur mentally unstable if u dont know

Explanation:

L student

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How might a substrate of the citric acid cycle block respiration when it is present in great excess
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The substrate of the citric acid cycle which can block respiration when it is present in excess is MALONATE. Malonate inhibits respiration by competing with succinate dehydrogenase for its acitve site. Malonate binds to the active site without reacting, thus competing with succinate. This disrupts the cellular respiration in the cell.
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4 years ago
Question 2 of 9
Jlenok [28]

Answer:

The correct answer is option D.  Light and some other factors are necessary for chlorophyll production

Explanation:

By this experiment, it is clear that light is the major factor that helps in the production of chlorophyll in seedlings or plants. In this study, placing the seeds in the light turns 75 seedlings green which is possible by the production of the green pigment, chlorophyll only. So, it is proved that light is a key factor in the production of chlorophyll.

Besides light, there must be some other factors (mineral nutrition and chemical metabolites) that also play role in the production of chlorophyll or increase or decrease of the chlorophyll production as few seedlings did not turn green in the study.

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3 years ago
Human organisms, like the female pictured here, are composed of a variety of organ systems. Regardless of the organ system, cert
Lemur [1.5K]

Answer:

cells,tissues,and organs

Explanation:

And by the way you did not show the picture of the female in the question

7 0
3 years ago
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A contusion is also known as a bruise and is an injury that occurs when:
Slav-nsk [51]
A contusion occurs when a strong blow or repeated blows from an object struck the body, crushing the underlying muscle fibres and connective tissues without breaking the skin.
A contusion can vary in severity depending on the object and location of the injury. For example a contusion to the brain may cause a concussion that can cause serious symptoms that require immediate medical attention
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3 years ago
The stucture of a dna molecole is a ___
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Nucleotides.

ALSO you should listen to DNA by bts ❤️
6 0
4 years ago
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