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Furkat [3]
2 years ago
14

Trees maintain the balance between gases in the air, removing carbon dioxide from the air and releasing oxygen

Biology
1 answer:
Alex Ar [27]2 years ago
7 0

Answer:

Carbon Oxygen circle

Explanation:

Is the process where living things exchange air

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4. Why did you pick this macromolecule as the most<br> important?
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cassidywilson553494 avatar

Protein,or Carbohydrates,or,Lipids, or , nucleic acid

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3 years ago
The lactose (lac) operon in E. coli is an example of a repressed gene when lactose is not available in a cell. In 3-5 sentences
irakobra [83]

Answer:

Please find the detailed explanation of this statement below

Explanation:

Firstly, a repressed gene is a gene whose expression has been inhibited or repressed. The lac operon in E.coli bacteria is a regulatory unit containing structural genes, a single promoter and operator regions. The promoter is the region where the transcription enzyme (RNA polymerase) binds to in order to transcribe the genes in the lac operon. The structural genes in the lac operon can only be expressed in the presence of lactose sugar.

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Note that, the structural genes in the lac operon (lacZ, lacY, lacA) code for proteins that help break down lactose sugar for energy in the E.coli bacteria. Therefore, a bacteria cell with a repressed lac operon will be unable to degrade lactose sugar.

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Look at attached image, which gases are in kept in the different plants<br>​
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A mutation is defined as change in the?
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a

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can you help me with my question Which of the following best explains "political bias?" A. How to register to vote. B. What topics decide how you vote. C. Not caring about voting in elections.

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