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horsena [70]
2 years ago
14

Why are nitrogen-fixing bacteria important in ecosystems?

Biology
1 answer:
prohojiy [21]2 years ago
3 0
Bacteria that change nitrogen gas from the atmosphere into solid nitrogen usable by plants are called nitrogen-fixing bacteria. These bacteria are found both in the soil and in symbiotic relationships with plants.
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All of the following are products of cellular respiration except
EleoNora [17]

Answer:

Hi there, the answer is energy

Explanation:

Carbon dioxide, oxygen, and water are all products of cellular respiration in fact carbon dioxide and oxygen are extremely important for ATP. If you are talking about aerobic respiration oxygen is the main product for it because it reacts to glucose. The only thing that isnt part of the product of cellular respiration is energy. After ATP is created for the plants it makes its own energy afterward.

Hope this helped :)

5 0
2 years ago
How does extracellular glucose inhibit transcription of the lac operon?
Genrish500 [490]

The extracellular glucose inhibit transcription of the lac operon (D) by reducing the levels of intracellular cAMP.

Lac operon is the assembly of various genes that are involved in the uptake and metabolism of lactose of E. coli or any other bacteria. It consists of a regulator gene, promoter gene, operator and structural gene. Structural genes are three: z, y and a. Each codes for a different enzyme.

cAMP is the cyclic Adenosine Monophosphate. It is produced by the bacteria when there are low levels of glucose in it. Hence it is also named as hunger signals. Therefore, cAMP is responsible for activating the operon to produce lactose.

To know more about cAMP, here

brainly.com/question/13794408

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2 years ago
If one side of a DNA molecule is: AGATTCGAACCT, what would the complementary strand be?
Veseljchak [2.6K]

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TCTAAGCTTGGA

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Aleks [24]
Hi,
The answer should be letter B, as H2O is a compound made of two different elements in a definite proportion.
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D just took the test and got it right

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