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bagirrra123 [75]
2 years ago
15

Why are bacteria needed in the nitrogen cycle?

Biology
1 answer:
Anon25 [30]2 years ago
7 0

Explanation: Bacteria are needed in the nitrogen cycle because plants and animals cannot directly use atmospheric nitrogen. Bacteria in the roots of plants trap nitrogen and convert it to ammonia and other nitrogen compounds which plants can then use to make protein

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Select the appropriate statement about healing wounds. A.]Cell growth increases both toward the beginning and the end of the hea
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The correct answer is A. Cell growth increases both toward the beginning and the end of the healing process. At the beginning, when a wound is inflicted, the body creates numerous cells that are designed to fight any pathogens that might want to enter our body, as well as create extra cells to seal up the wound. At the end, scar tissue is formed as the wound closes which is more tissue than there was before the wound.
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3. What is it called when layers pile up and press
AURORKA [14]
I think it’s C lol lol
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3 years ago
The antibiotic rifampicin blocks transcription in many bacteria. In the presence of the antibiotic, adding sigma factor has no s
mariarad [96]

Answer:

transcription initiation

Explanation:

Transcription is a process by which genetic information from DNA is used to synthesize an RNA molecule, usually, a messenger RNA (mRNA), which is subsequently utilized to synthesize a protein by a process called translation. Transcription in prokaryotes has three steps:

1-Initiation: the RNA polymerase is a multisubunit enzyme (holoenzyme) composed of two α, one β, one β’ and one ω and σ subunits (α2ββ’ωσ). This holoenzyme binds to the promoter region of the template DNA strand.

2-Elongation. The sigma σ factor of the holoenzyme is released and the complex and the core enzyme (α2 ββω) moves along the template strand, thereby producing an mRNA sequence

3-Termination. This step can be Rho-dependent, where a protein named "Rho" recognizes the termination site and stop transcription, and Rho-independent (transcription continues until the termination sequence is reached).

In consequence, Rifamycin is likely to block the initiation of transcription because the core RNA enzyme needs to bind the sigma factor (σ) for initiation of transcription in bacteria.

8 0
3 years ago
What is the process which scientists grade the work of other scientist before published?
Finger [1]
The process is called Peer-Reviewing. In Peer-Reviewing, scientists/academic peers "peer review" the work of a scientist to check for accuracy or any false information that might reduce the legitimacy of their study or change "how realistic/real" their study is.

p.s. This is also common sense because scientists make up an entire scientific community who base their scientific studies on consistency and accuracy. 

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3 years ago
When we see a star in the night sky, we are actually seeing how it was sometime in the past. This is because light takes time to
irina1246 [14]
9.5 x 1015 = 9642.5
<span>6.08 × 1018 = 6189.44
  If you take these two problems, and then subtract, and find out the difference between the two distances, then you should be able to get your answer.

 Hope this helps!</span>
3 0
2 years ago
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