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ira [324]
3 years ago
14

What is different about the compactness of DNA when a gene is turned on versus turned off.

Biology
1 answer:
Mnenie [13.5K]3 years ago
3 0

Answer:

Explanation:

Gene expression is a tightly regulated process that allows a cell to respond to its changing environment. It acts as both an on/off switch to control when proteins are made and also a volume control that increases or decreases the amount of proteins made.

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Protozoans are the only organisms that can convert nitrogen from the air into chemical compounds that plants can use.
tigry1 [53]

Answer: False

Explanation:

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These are bacteria and archae that fix nitrogen gas found in the atmosphere into more usable form such as ammonia.

These organism can grow without any external source of fixed nitrogen. Example: Rhizobia and azospirillium.

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Papessa [141]

Answer:

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astraxan [27]

Answer:

an experiment

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Is it true or false of the finding of evidence of liquid water on Mars is important because water is essential for life?
ki77a [65]
Water is essential to life because it creates us humans, plants, animals, etc. So, if we find water on Mars it would be important because water is essential to life, meaning we would know that there would be some kind of life on Mars because water makes up anything. 
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