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bagirrra123 [75]
3 years ago
15

Why are bacteria needed in the nitrogen cycle?

Biology
1 answer:
Anon25 [30]3 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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Which sentence would be inappropriate in an informational piece of writing with a formal tone?
vaieri [72.5K]

Answer: C

Explanation:

The answer C sounds more like the way that you would describe the story to a friend, which would be very informal.  Answers A, and B sound more like the way you might tell the story to your teacher in a report.

Hope this helps! <3

6 0
3 years ago
Read 2 more answers
A part of an mRNA molecule with the following sequence is being read by a ribosome: 5'-UGC-GCA-3' (mRNA). The charged transfer R
iren [92.7K]

mRNA codons determine which amino acid will be added to the growing polypeptidic chain. tRNA anticodons pair these codons and add the correct amino acid. <em>The </em><em>dipeptide</em><em> formed will be </em><em>Cysteine-Alanine</em><em>.</em>

------------------------------------------

Let us review a few points,

  • In protein synthesis, the ribosome reads mRNA in the 5´ to 3´ direction.

  • According to the codons being readen, tRNA transfers the correct amino acids to build the polypeptide chain.

  • A codon is a short sequence of three nucleotides that store the genetic information for the aminoacids´ assembly.

  • Each codon represents one amino acid used to build the protein.

  • Each tRNA has two important sites. One of them that couples with the codon of the mRNA molecule, named anticodon. The other site couples with an amino acid.

  • The anticodon is a short sequence of bases that pairs with mRNA codons.

  • tRNA adds amino acids following the codons sequence in the mRNA molecule.

  • The protein grows from the amino terminus to the carboxy terminus.

  • Adenine forms pairs with Uracyl ⇒ A↔U
  • Guanine pairs with Cytosine ⇒ C↔G

In the exposed example,

→ mRNA     ⇒  codons   ⇒ 5'-UGC - GCA-3'

→ tRNA       ⇒ anticodons ⇒  ACG  CGU

→ proteins  ⇒ amino acids ⇒  Cys     Ala ⇒ Codon UGC codes for Cysteine

                                                                     ⇒Codon GCA codes for Alanine

So, for the given sequence of mRNA, tRNA anticodons are ACG and CGU. And the added amino acids are <em>Cysteine and Alanine</em>.

----------------------------------------------

Related link: brainly.com/question/10014731?referrer=searchResults

8 0
2 years ago
Read 2 more answers
Polydactyly is a dominant trait. what symbol on a pedigree chart would represent a male who has polydactyly
Sunny_sXe [5.5K]

The right answer is a colored square (or shaded).

Polydactyly is defined as the presence of one or more extra fingers in the hand or one or more toes in the foot.

It is a dominant trait, it means that the heterozygotes will express the trait.

In general, healthy men are represented by white squares, while sick men are represented by colored squares (most often in black).

8 0
3 years ago
Single stranded with a helix shape
slega [8]

Answer:

Both A and B

Explanation:

Because RNA is single stranded and the DNA has a helix shape

5 0
3 years ago
According to the _____ of color vision, receptor cells are linked in pairs, working in opposition to each other.
slavikrds [6]
The appropriate response is an opponent-process theory. Opponent-process theory is a mental and neurological model that records for an extensive variety of practices, including shading vision. This model was first proposed in 1878 by Ewald Hering, a German physiologist.
6 0
3 years ago
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