BIOL 308: BIOL-MSTBIO NEW DSGN ACCESS
18th Edition
ISBN: 9781323838877
Author: Campbell
Publisher: Pearson Custom Publishing
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Question
Chapter 17.1, Problem 3CC
Summary Introduction
To draw: The mRNA sequence transcribed from the non-template strand of a gene as well as its translated sequence.
Concept introduction:
The genetic information of DNA is encrypted in the
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Consider a template strand of DNA with the following sequence: 3 '–CAA TGT ATT TTT GCT–5 '. (a) What is the informational strand of DNA that corresponds to this template? (b) What mRNA is prepared from this template? (c) What polypeptide is prepared from the mRNA?
A single template strand of a DNA molecule is represented by
3’atgtaccatgcgcaaatttaaaggccc5’.
a) Imagine that AAG is an INTRON in the original DNA template strand above. Write the mature mRNA strand after the three modifications?
b) Write the amino acid sequence of your mature mRNA.
c) List the molecules involved in translation and briefly describe their function.
(a) Write the sequence of the mRNA molecule synthesized from a DNA template strand having the following sequence:5'–ATCGTACCGTTA–3' (b) What amino acid sequence is encoded by the following base sequence of an mRNA molecule? Assume that the reading frame starts at the 5’ end.5'–UUGCCUAGUGAUUGGAUG–3! (c) What is the sequence of the polypeptide formed on addition of poly(UUAC) to a cell-free proteinsynthesizing system?
Chapter 17 Solutions
BIOL 308: BIOL-MSTBIO NEW DSGN ACCESS
Ch. 17.1 - Prob. 1CCCh. 17.1 - What polypeptide product would you expect from a...Ch. 17.1 - Prob. 3CCCh. 17.2 - MAKE CONNECTIONS In a research artide about...Ch. 17.2 - What enables RNA polymerase to start transcribing...Ch. 17.2 - WHAT IF? Suppose X-rays caused a sequence change...Ch. 17.3 - There are about 20,000 human protein-coding genes....Ch. 17.3 - How is RNA splicing similar to how you would watch...Ch. 17.3 - Prob. 3CCCh. 17.4 - What two processes ensure that the correct amino...
Ch. 17.4 - Prob. 2CCCh. 17.4 - Prob. 3CCCh. 17.4 - WH AT IF? In eukaryotic cells, mRNAs have been...Ch. 17.5 - What happens when one nucleotide pair is lost from...Ch. 17.5 - MAKE CONNECTIONS Individuals heterozygous for the...Ch. 17.5 - WHAT IF? DRAW IT The template strand of a gene...Ch. 17 - Describe the process of gene expression, by which...Ch. 17 - What are the similarities and differences in the...Ch. 17 - What function do the 5' cap and the poly-A tail...Ch. 17 - Prob. 17.4CRCh. 17 - What will be the results of chemically modifying...Ch. 17 - In eukaryotic cells, transcription cannot begin...Ch. 17 - Which of the following is not true of a codon? (A)...Ch. 17 - The anticodon of a particular tRNA molecule is (A)...Ch. 17 - Which of the following is not true of RNA...Ch. 17 - Which component is not directly involved in...Ch. 17 - Using Figure 17.6, identify a 5' 3' sequence of...Ch. 17 - Prob. 7TYUCh. 17 - Would the coupling of the processes shown in...Ch. 17 - Prob. 9TYUCh. 17 - Prob. 10TYUCh. 17 - scientific inquiry Knowing that the genetic code...Ch. 17 - Prob. 12TYUCh. 17 - Prob. 13TYU
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Similar questions
- C. Convert the DNA template to mRNA. Then, convert the mRNA to tRNA. Based from the resulting sequence in the anticodons of tRNA, determine the appropriate Amino acid sequence that will be synthesized. Refer to the genetic code. 1. DNA Template: TAC - GGC - TAC - CAT - ATG - GAG mrNA: tRNA: Amino acid sequence: 2. DNA Template: TTA - CAT - CAT - ATC - GAT - GAC mrNA: tRNA: Amino acid sequence: 3. DNA Template: CTA - GCG - ATA - AAA - TTT - ATT mrNA: tRNA: Amino acid sequence:arrow_forwardLet’s practice making a strand of mRNA. Finish what we started: DNA: T-A-C-T-T-A-C-A-C-G-T-C-A-A-C-G-T-G-C-C-T-T-A-G-C-C-A-T-TmRNA: A-U-GGo ahead and write out the complementary strand of mRNA abovearrow_forward-Write down the complementary DNA sequence. TACCTAGCG CACATGTAGGTGGGCAAAGTT -Write down the complementary mRNA sequence for each of the following DNA sequence. A: TACCTAGCGCACATGTAGGTGGGCAAAGTT B: TAC ATG GTT ACA GTC TAT TAG ATG CTA TTT ACT TAG -If the first G changes to A what kind of mutation will happen? Show the change in amino acid sequence. This is base substitutions involve the replacement of one nucleotide with another. And it changes one amino acid coding, producing a missense mutation TAC CTA GCA CAC ATGTAGGTGGGCAAAGTT TAC CTA ACACACATGTAGGTGGGCAAAGTTarrow_forward
- 7. A segment of a DNA strand consists of ...GCTTAGACCTGA.... (a) Identify the expected nucleotide order in the complementary mRNA (b) Identify the sequence of amino acids coded for by this segment of DNA. (c) Describe the bond that forms during translation to link amino acids together. Identify the functional groups that react and the atoms involved.arrow_forwardNow try this example yourself. Fill in the complementary mRNA sequence to the DNA sequence listed below: DNA sequence = C A T G C A C C G T T A C G A RNA sequence =arrow_forwardBelow is a double-stranded DNA: ATATGTGGTCTCGGTCCGTTAGGCAAT TATACACCAGAGCCAGGCAATCCGTTA Which strand functions as the transcription template, the top one or the bottom one? Explain your reasoning What is the mRNA transcript and polypeptide from this strand? In the space below, copy the DNA strand that is transcribed, and write the mRNA transcript. Identify the polypeptide chain below it. Align the mRNA and polypeptide so that it is clear which DNA bases they came from.arrow_forward
- In Worked Example 26.4, we derived the mRNA sequence of nucleotides shown. What is the sequence of amino acids coded for by the mRNA sequence? 5′AAC GUU CAA ACU GUC 3′arrow_forwardWrite the order of nucleotides in mRNA that would be transcribed from the following strand of DNA: GTATACCAGTCATTTGTCThen list in order the amino acids coded by this sequence.mRNA ________________________________________________________________amino acids ________________________________________________________________ 2. Sometimes a mistake occurs in the translation of an mRNA strand. Suppose that the reading of themRNA strand in question 1 began, by mistake, at the second nucleotide instead of the first. The first codonwould be AUA. Write the sequence of amino acids that would be formed.__________________________________________________________________________arrow_forward1. Create a DNA sequence with eighteen nucleotides. Indicate its 3’ on the left and 5’ on the right since that’s the template strand you will need in the next question to transcribe the mRNA. 2. Transcribe the DNA sequence above and separate the triplets into codons. Indicate 5’ and 3’ in the correct location on the strand. (Don’t worry about splicing- assume that the pre- mRNA is the same as the mature mRNA sequence) 3. Look at the genetic code, and indicate which amino acid is coded for by the codons in the above mRNA. 4. ANSWER BELOW QUESTIONS: A. First write the original DNA strand. Indicate where the substitution was by either circling it or writing it in a different color. Then write the mutated DNA sequence with the point mutation (aka substitution) wherever you choose for it to be. Again, circle it or write it in a different color. Do the same for the transcribed mRNA. Repeat the directions for 2 and 3 for this new DNA stand. (i.e., include the mRNA and translated protein…arrow_forward
- A strand of DNA contains this nucleotide sequence: TACTGCCTCCCCATAAGAATT. The corresponding nucleotide sequence of the mRNA strand from this DNA template is as follows: AUGACGGAGGGGUAUUCUUAA. Q: What is the amino acid sequence of the polypeptide that is produced form the mRNA strand? As well, draw a labelled diagram of the mRNA molecule being transcribed from this strand of DNA.arrow_forwardWhich two sequences shown in the diagram are NOT directly transcribed from the template strand of DNA for this mRNA? ( select all that apply) a) The exons b) 5' cap c) 3' poly-A tail d) UGA e) AUGarrow_forwardA segment of DNA has the followimg sequence of bases.. 5'-ATGCAATGATATTGAAGCTTA-3' a) What sequence of bases would appear in mRNA transcribed from this segment? b) Assume the first base in this mRNA is the beginning of a codon. What order of amino acid would be translated into a polypeptide synthesized along this segment? c) Give anticodons for each tRNA associated with the translation in part (b)arrow_forward
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