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KengaRu [80]
3 years ago
8

As scientists, politicians and concerned citizens recognize the threat of global warming to the ongoing climate change, reductio

ns in greenhouse gas emissions become the forefront of the discussions. To reduce the presence and persistence of greenhouse gases in the atmosphere their sources must be fully understood. Natural and anthropogenic greenhouse gases can impact their presence in the atmosphere. Which of the options best matches the anthropogenic sources and the greenhouse gas accurately?
Biology
1 answer:
klio [65]3 years ago
5 0
Who is about to do this hhssgewhshabsgshdsbsbsbdbd
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Explain ways in which the alveoli are adapted to increase the<br>efficiency of gas exchange.​
KonstantinChe [14]

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Adaptations of the alveoli:

Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.

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2 years ago
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The protein thorain is encoded by the gene thrL, and thorain is a negative regulator of the thrMN operon. Assume there is no oth
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Answer:

The correct answer is option a, that is, the thrM and thrN would be transcribed at high levels in comparison to non-mutant.

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