7. Complete the following diagram which describes a small eukaryotic open reading frame, by filling in polarities, nucleotides and amino acids as required: -Direction of transcription- G Template strand 3' T Non-template strand 5' mRNA codons tRNA anticodons - Amino-acids lys - C G - C 5' с _ G _ G_ A 3' — G

7. Complete the following diagram which describes a small eukaryotic open reading frame, by filling in polarities, nucleotides and amino acids as required: -Direction of transcription- G Template strand 3' T Non-template strand 5' mRNA codons tRNA anticodons - Amino-acids lys - C G - C 5' с _ G _ G_ A 3' — G

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter13: Gene Expression

Section: Chapter Questions

Problem 8TYU: Which of the following is/are typically removed from pre-mRNA during nuclear processing in...

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A part of an mRNA molecule with the sequence 5-UGC GCA-3 is being translated by a ribosome. The following activated tRNA molecules are available. tRNA Anticodon Amino Acid 3-GGC-5 Proline 3-CGU-5 Alanine 3-UGC-5 Treonine 3-CCG-5 Glycine 3-ACG-5 Cysteine 3-CGC-5 Alanine Which two of them can bind correctly to the mRNA so that a dipeptide can form? a. cysteinealanine b. prolinecysteine c. glycinecysteine d. alaninealanine e. threonineglycine
Given the following tRNA anticodon sequence, derive the mRNA and the DNA template strand. Also, write out the amino acid sequence of the protein encoded by this message. tRNA: UAC UCU CGA GGC mRNA: protein: How many hydrogen bonds would be present in the DNA segment?
Given the following mRNA, write the double-stranded DNA segment that served as the template. Indicate both the 5 and the 3 ends of both DNA strands. Also write out the tRNA anticodons and the amino acid sequence of the protein encoded by the mRNA message. DNA: mRNA: 5-CCGCAUGUUCAGUGGGCGUAAACACUGA-3 protein: tRNA:
Which of the following is/are typically removed from pre-mRNA during nuclear processing in eukaryotes? (a) upstream leader sequences (b) poly-A tail (c) introns (d) exons (e) all the preceding
Eukaryotic mRNA: usessnRNPs to cut out introns and seal together translatableexons. uses a spliceosome mechanism made of DNA to recognizeconsensus sequences to cut and splice. has a guanine cap on its 39 end and a poly(A) tail on its 59 end. is composed of adenine, thymine, guanine, and cytosine. codes the guanine cap and poly(A) tail from the DNAtemplate.
An unprocessed pre-mRNA has the following structure. Which of the following is not a possible size (in bp) of the mature mRNA? 205bp 180bp 150bp 100bp
Which of the following statements is false? a. GTP is an energy source during various stages of translation. b. In the ribosome, peptidyl transferase catalyzes peptide bondformation between amino acids. c. When the mRNA code UAA reaches the ribosome, there isno tRNA to bind to it. d. A long polypeptide is cut off the tRNA in the A site so its Metamino acid links to the amino acid in the P site. e. Forty-two amino acids of a protein are encoded by 126nucleotides of the mRNA.
A scientist introduces a mutation that makes the 60S ribosomal subunit nonfunctional in a human cell line. What would be the predicted effect on translation? Translation stalls after the initiation AUG codon is identified The ribosome cannot catalyze the formation of peptide bonds between the tRNAs in the A and P sites The ribosome cannot interact with mRNAs tRNAs cannot exit the E site of the ribosome.
7. Complete the following diagram which describes a small eukaryotic open reading frame, by filling in polarities, nucleotides or amino acids as required: ----------Direction of transcription------- DNA Strand 1 3' G G 5' DNA Strand 2 5' G - A 3' - - MRNA codons G A - TRNA anticodons Amino-acids pro
Noncoding Strand -> 5’ - G C C A G G T C A G G T - 3’ Coding Strand -> 3’ - C G G T C C A G T C C A - 5’ m-RNA -> 5’ - G C C A G G U C A G G U - 3’ Amino acid sequence of peptide -> Ala Arg Ser Gly In which molecule do you find the code sequence, the codon sequence, and the anti-codon sequence within their structure? Find the codon sequence and the anti-codon sequence.
7. Complete the following diagram which describes a small eukaryotic open reading frame, by filling in polarities, nucleotides or amino acids as required: -Direction of transcription---- DNA Strand 1 3' - c _ 5' DNA Strand 2 5' G A A 3' - MRNA codons A TRNA anticodons U Amino-acids pro
26. Using the following DNA strand, write out the mRNA, and then the amino acids. DNA: 3' T- A- C- A- A- G- T- A- C- T- T- G- T- T- T- C- T- T- A- A- A 5' A LIGUULAUGAOLAAAGAAUUL Phe- MRNA: Amino Acids: met Phe- met Asme -LyS- G la- 27. Suppose the two guanosine (G) nucleotides in3 above were changed to two cytosine (C) nucleotides. What is the new amino acid chain? 28. Suppose the two guanosine (G) nucleotides in #3 were removed from the DNA strand. How would this mutation affect the amino acid chain? Write out the new amino acid chain.