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ANTONII [103]
3 years ago
12

Describe in detail light-dependent reaction as it relates photosystem (II)​

Biology
1 answer:
quester [9]3 years ago
5 0

Answer:

The two photosystems absorb light energy through proteins containing pigments, such as chlorophyll. The light-dependent reactions begin in photosystem II. In PSII, energy from sunlight is used to split water, which releases two electrons, two hydrogen atoms, and one oxygen atom.

Explanation:

I hope that i answered

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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
While receiving a blood transfusion, the client suddenly shouts, "I feel like someone is lowering a heavy weight on my chest. I
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Answer:

Stop the transfusion and administer normal saline.

Explanation:

The client is most likely experiencing Haemolytic Transfusion reaction. This reaction occurs when the receivers immune system destroys the red blood cells of the incoming blood. A common symptom is the feeling of impending doom.

The best line of action is to stop the transfusion immediately and administer normal saline.

4 0
3 years ago
5 ways education can affect sexual reproductive health
erastova [34]

Answer:

They teach you the purpose of condoms (or you learn the hard way.)

how to prevent stds

Explanation:

That's all I can think of.

8 0
3 years ago
How hasn't cell technology most likely benefited the commercial flower industry
worty [1.4K]

chicken is really good

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4 years ago
You are determining the mass of an object using a triple beam balance. When the pointer is lined up with the zero mark, the ride
Nadusha1986 [10]
The mass of the object is the sum of the masses which shows the riders:
m = 300.00 g + 20.00 g + 8.00 g
m = 328.00 g
Answer:
The mass of the object is 328.00 grams.
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3 years ago
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