AP Biology aid » DNA, RNA, and Proteins » translate into » knowledge Ribosomes, tRNA, and also Anti-codons

The amino mountain leucine has several feasible codons, as result of the degeneracy that the genetic code. This way that there is much more than one possible __________ for leucine.

You are watching: Which trna anticodon will complement this mrna codon


Each tRNA contains the anticodon because that a specific mRNA codon and also carries the amino acid matching to that codon come ribosomes throughout translation. MRNA is developed by warrior from DNA, and also ribosomes translate it into proteins. Multiple codons have the right to code for a solitary amino acid, and also so there deserve to be number of tRNA anticodons that might be offered for a single amino acid.

Which that the following nucleic mountain brings an amino acid with the cytosol to a ribosome during translation?


mRNA, tRNA, and rRNA all play a crucial role in the synthetic of proteins. TRNA (transfer RNA) is responsible because that gathering amino acids in the cytosol and also bringing them come the ribosomes when translation is taking place. MRNA (messenger RNA) is the layout for translation. RRNA (ribosomal RNA) is a structural facet of the ribosomes.


An anticodon is the three-base sequence, paired through a specific amino acid, that a tRNA molecule brings to the equivalent codon that the mRNA throughout translation. The anticodon sequence is complementary come the mRNA, using base pairs in the anti-parallel direction. TRNA is check out 3"-to-5", so the sequence would be 3"-UUG-5". Store in mind that adenine binds to uracil in RNA.

Codon: 5"-AAC-3"

Anticodon: 3"-UUG-5"


Anticodons are discovered on molecule of tRNA. Their function is to basic pair v the codon on a strand that mRNA during translation. This activity ensures that the correct amino acid will be included to the growing polypeptide chain. A tRNA molecule will enter the ribosomes bound come an amino acid. The anticodon sequence will certainly bind to the codon the the mRNA, enabling the tRNA to release the fastened amino acid. This amino mountain is then included to the peptide chain through the ribosome.


tRNA is a special form of RNA that has the duty of forming bonds with amino acids and bringing them come ribosomes to finish translation. TRNA dead anticodons, allowing it to bind to mRNA in the active site of a ribosome. It can then transport its amino mountain residue to the ribosome, whereby it is integrated into the growing polypeptide chain. The tRNA molecule is the released from the ribosome and recycled.

rRNA forms part of the ribosom structure and also mRNA brings details from the nucleus come the cytoplasm. Transcription is the process of do an RNA transcript indigenous a DNA template, and also is perform by one RNA polymerase.

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Example inquiry #1 : expertise Ribosomes, T Rna, and also Anti Codons

How does a ribosomes detect that the correct amino acid is being included during translation?

Possible Answers:

Appropriate basic pairing in between mRNA and also rRNA 

Appropriate basic pairing between the mRNA and tRNA

Translation factors

It doesn’t; correct sequences space checked later on by chaperones during protein folding

Correct answer:

Appropriate basic pairing between the mRNA and also tRNA


Amino acid sequence is figured out by the sequence of codons on mRNA. TRNA is responsible for bringing brand-new amino acids to the ribosome. Interactions in between the codons on mRNA and the anticodons top top tRNA room what enable the formation of the appropriate peptide bonds.

Chaperones are later on used to facilitate the advance of protein structure, but are not associated in checking protein sequence.

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Example concern #7 : knowledge Ribosomes, T Rna, and Anti Codons

If the enzyme, aminoacyl-tRNA synthetase malfunctions, which of the following processes will certainly be impeded?

Possible Answers:


DNA replication

None of the other answers


Post-transcriptional RNA processing

Correct answer:



Aminoacyl-tRNA synthetase is responsible because that "charging" tRNA with amino acids. Throughout translation, tRNA molecules that are bound to details amino acids space fed right into the ribosome in a details order that is complementary come the mRNA strand. When a tRNA is supplied up, it loses its amino acid. As a result, the must communicate with aminoacyl-tRNA synthetase before it have the right to be provided again in translation.

A failure in aminoacyl-tRNA synthetase would result in a shortage of fee tRNA molecules and a diminish in translate into processing.

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Example concern #8 : expertise Ribosomes, T Rna, and Anti Codons

Which that the following correctly pairs each kind of RNA with its function?

Possible Answers:

mRNA carries proteins to ribosomes

tRNA dead amino acids to ribosomes

rRNA associates through proteins to form the ribosome 

mRNA carries hereditary information from DNA

tRNA carries amino mountain to ribosomes

rRNA associates v proteins to kind the ribosome 

mRNA tote amino acids to ribosomes

tRNA associates v proteins to kind the ribosome

rRNA carries genetic information native DNA

mRNA carries amino acids to ribosomes

tRNA carries genetic information native DNA

rRNA associates with proteins to kind the ribosome

mRNA carries genetic information from DNA

tRNA carries proteins to ribosomes

rRNA associates with proteins to form the ribosome

Correct answer:

mRNA carries hereditary information native DNA

tRNA tote amino acids to ribosomes

rRNA associates v proteins to form the ribosome 


The three varieties of RNA disputed are messenger RNA (mRNA), move RNA (tRNA), and ribosomal RNA (rRNA). MRNA forms throughout transcription once RNA polymerase synthesizes RNA native the DNA template. Post-transcriptional alteration is forced for the mRNA come mature and also exit the nucleus. As soon as in the cytoplasm, the mRNA will bind come a ribosome created of rRNA and also proteins. The ribosome will then recruitment tRNA molecules to the facility in order to synthesize the protein product. Each amino mountain binds come a specific kind of tRNA. TRNA brings the amino mountain to the farming end of the newly creating polypeptide in ~ the ribosomes by binding come the codon of the mRNA.

See more: Quick Answer: How To Fix The Sink In Virtual Families, How To Fix Leaky Sink In Virtual Families 2

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Example question #9 : expertise Ribosomes, T Rna, and also Anti Codons

Which that the following selections is the enzyme the adds amino mountain to tRNA molecules?

Possible Answers:



Aminoacyl-tRNA synthetase

RNA polymerase

Correct answer:

Aminoacyl-tRNA synthetase


The enzyme aminoacyl-tRNA synthetase joins tRNA molecules through a corresponding amino acid. First, one amino mountain is bound to aminoacyl-tRNA synthetase utilizing ATP. Then, the tRNA molecule include the equivalent anticodon binds to the enzyme. The correct tRNA molecule is established by aminoacyl-tRNA synthetase by its anticodon sequence and also other locations of that is structure. Last, the tRNA molecule covalently bonds to the amino acid and is released from aminoacyl-tRNA synthetase.

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Example inquiry #10 : knowledge Ribosomes, T Rna, and Anti Codons

How are ribosomal units commonly organized during translation?

Possible Answers:

Two little subunits

A big subunit and a small subunit

A single huge complex

Two subunits of same size

Correct answer:

A large subunit and a tiny subunit


Ribosomes room non-membranous oribel that direct protein synthetic by analysis mRNA and also joining amino acids right into strands the polypeptides. Ribosom exist in both free and membrane-bound states. They are synthesized in both the nucleolus and cytoplasm. The contents that comprise these non-membranous organelles room rRNA molecules and also a selection of proteins. Ribosomes have actually a huge and a little subunit, together dubbed the translational apparatus. The small ribosomal subunit reads the mRNA strand and the large ribosomal subunit joins amino acids right into polypeptides. 

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