Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 13.2, Problem 2COMQ
Summary Introduction
Introduction:
The mRNA (messenger ribonucleic acid) transcript is the main component of the process of translation, since it has all the information required to make protein. The tRNAs (transfer RNAs) read the codons present on the mRNA and attachcognate amino acid to the growing protein chain. The mRNA has a reading frame, which acts as a starting point for translation.
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Students have asked these similar questions
In RNA, ___________ pairs with adenine.
A.Group of answer choices
cytosine
guanine
thymine
uracil
B.The main differences between introns and exon is
Group of answer choices
Exons code for amino acids and Introns do not
Introns code for RNA and exons code for DNA
Introns code for amino acids and exons do not
Introns enter the nucleus and exons leave the nucleus
Given Sequence:
5’ – TCAGGACTGATAGGCTAATCGGCCCGCGCACAT-3’
a. Complementary Strand
b. Direct Transcript
c. Transcript for Translation
d. Amino Acid Sequence or Translation:
Complete the phrases with the correct word or words.
The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives.
a.
methionine
b.
ribosome
c.
codon
d.
AUG
e.
UAC
The mRNA moves out of the nucleus and attaches to a
The first codon of an mRNA molecule is always
As soon as the first codon is in place, a tRNA molecule arrives with the anti-codon
The first tRNA to arrive always carries the amino acid called,
The ribosome scoots along the mRNA to read the next
Chapter 13 Solutions
Genetics: Analysis and Principles
Ch. 13.1 - Prob. 1COMQCh. 13.1 - 2. The reason why Beadle and Tatum observed four...Ch. 13.2 - What is the genetic code? a. The relationship...Ch. 13.2 - Prob. 2COMQCh. 13.2 - The fourth codon in an mRNA sequence is GGG, which...Ch. 13.2 - Prob. 4COMQCh. 13.3 - Prob. 2COMQCh. 13.4 - Prob. 1COMQCh. 13.4 - 2. The anticodon of a tRNA is located in the
a....Ch. 13.4 - An enzyme known as _______attaches an amino acid...
Ch. 13.5 - Each ribosomal subunit is composed of a. multiple...Ch. 13.5 - Prob. 2COMQCh. 13.6 - 1. During the initiation stage of translation in...Ch. 13.6 - The Kozak rules determine a. the choice of the...Ch. 13.6 - During the peptidyl transfer reaction, the...Ch. 13.6 - A release factor is referred to as a molecular...Ch. 13 - Prob. 1CONQCh. 13 - What does it mean when we say that the genetic...Ch. 13 - According to the adaptor hypothesis, is each of...Ch. 13 - Prob. 4CONQCh. 13 - Prob. 5CONQCh. 13 - 6. The wobble rules for tRNA-mRNA pairing are...Ch. 13 - Prob. 7CONQCh. 13 - Prob. 8CONQCh. 13 - Prob. 9CONQCh. 13 - If a tRNA has an anticodon sequence 3CCI5, what...Ch. 13 - Describe the anticodon of a single tRNA that could...Ch. 13 - Prob. 12CONQCh. 13 - Prob. 13CONQCh. 13 - 14. What is the role of aminoacyl-tRNA synthetase?...Ch. 13 - Prob. 15CONQCh. 13 - 16. Discuss the significance of modified bases...Ch. 13 - How and when does formylmethionine become attached...Ch. 13 - Prob. 18CONQCh. 13 - Prob. 19CONQCh. 13 - Prob. 20CONQCh. 13 - The term subunit can be used in a variety of ways....Ch. 13 - 22. Do the following events during bacterial...Ch. 13 - 23. What are the three stages of translation?...Ch. 13 - Prob. 24CONQCh. 13 - 25. For each of the following initiation factors,...Ch. 13 - Prob. 26CONQCh. 13 - 27. For each of the following sequences, rank them...Ch. 13 - Prob. 28CONQCh. 13 - Prob. 29CONQCh. 13 - Prob. 30CONQCh. 13 - Prob. 31CONQCh. 13 - In which of the ribosomal sites, the A site, P...Ch. 13 - Prob. 33CONQCh. 13 - Prob. 34CONQCh. 13 - Prob. 35CONQCh. 13 - Prob. 36CONQCh. 13 - Prob. 37CONQCh. 13 - 1. In the experiment of Figure 13.7, what would be...Ch. 13 - 2. Polypeptides can be translated in vitro. Would...Ch. 13 - Discuss how the elucidation of the structure of...Ch. 13 - Describe the structure of a polysome, which is...Ch. 13 - Prob. 5EQCh. 13 - 6. The technique of Western blotting is described...Ch. 13 - The protein known as tyrosinase is needed to make...Ch. 13 - Prob. 8EQCh. 13 - Discuss why you think the ribosomes need to...Ch. 13 - 2. Discuss and make a list of the similarities...Ch. 13 - 3. Which events during translation involve...
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- Each combinations of nitrogen bases on the mRNA molecule is a codon, which is a three letter code for a specific amino acid. The table shows the mRNA codon for each amino acid. Use the genetic code table to answer the questions. 4. The codon for tryptophan is? 5. For leucine, there are __ different options. 6.The codon GAU is for ____7. In a stop codon, if the second base is G, the first and third bases are __ and __arrow_forwardWhich of the following codons is called the start codon? A. UAA B. AUG C. UGA D. UAGarrow_forwardWhich of the following codons is called the start codon? a.UAA b.UGA c.UAG d.AUGarrow_forward
- In picture a (look at picture) a tRNA is already bound to the initiator codon at the start of the mRNA strand. The anticodon sequence on this tRNA that complements the mRNA codon is A. CCC B. UAC C. CACarrow_forwardA small section of bacterial enzyme has the amino acid sequence threonine, valine, glycine, and methionine. The tRNA anticodons for the amino acid sequence shown above is Select one: a. UGU CAU CCC UAG b. UGA CAG CCA ACU c. UGC CAA CCU UAC d. ACC GUG GGC AUGarrow_forwardA mutant DNA strand was transcribed then translated to proteins. a. What is the protein product of the mutant DNA strand? The sequence of the mutant strand is shown below: 5'-TGCCATAACTGTTCGTACTGGCAAATTGCC-3' 3'-ACGGTATTGACAAGCATGACCGTTTAACGG-5' b. The mutation altered the sequence of the wild type template DNA such that a degenerate codon for a basic amino acid in the wild type was converted to a non-degenerate codon resulting in the sequence for the mutant strand shown. What was the original amino acid? c. Compare the charges and pl of the mutant peptide and the normal (wild- type) peptide at physiological pH?arrow_forward
- Please answer these questions, I provided a picture of the codon table. 1. Below is the template DNA sequence for an entire (short) gene that contains no introns. TRANSCRIBE this entire gene sequence: 3'- T C G A C T A C C A T G G T G T C A G A A T T T G T G G -5' 2. TRANSLATE the gene sequence, using the same rules that a ribosome would use on it. 3. Describe what you did in order to translate this sequence. (2-3 sentences) 4. IF the TGGTG sequence in the middle of this gene were an intron, then would this alter the translation that you just performed? Explain your answer. (2-4 sentences)arrow_forward55__________________ assemble to form a spliceosome, the splicing machine that excises introns. A.snRNAb.tRNAc.Micro RNAD.rRNAs 56Eukaryotic initiator tRNA is charged with a formylated methionine. Yesorno 57Eukaryotic mRNA can be purified by separating molecules a mixture of total RNA by: A.Oligo (dG) cellulose chromatographyb.Oligo (dT) cellulose chromatographyc.Oligo (dC) cellulose chromatographyD.Oligo (dA) cellulose chromatographyarrow_forwardOriginal strand: G G G C T A G G G C C A A , Mutant strand: G G G G C T A G G G C C A A . What type of mutation? * A. Insertion B. Deletion C. Substitution D. Nonsense A base substitution that causes regular codon to change into another codon that codes for different amino acids is said to be; * A. missense mutations B. nonsense mutations C. silent mutations D. no correct response Mutagenic agents that can cause cancers are known specifically as; * A. mutagens B. carcinogens C. chemicals D. no correct response The process of copying a gene's DNA sequence into a sequence of RNA is called_____. * A. replication B. transcription C. translation D. PCR Which of the following…arrow_forward
- _____________ are sequences of identical DNA when it's read from the 5' to 3' direction on one strand and the 5' to 3' direction on the other strand. a. Palindromes b. snRNPs c. RFLPs d. Restriction fragments e. Restriction endonucleasesarrow_forwardCodons are found on __________ and they contain __________ bases. a. tRNA, 4 b. mRNA, 3 c. tRNA, 3 d. mRNA, 4arrow_forwardThe codons CCU, CCC, CCA, and CCG all code for the amino acid threonine. This is because the genetic code is a,b,c,d, or e? a. generic b. faulty c. reducible d. redundant e. All of the answers are correctarrow_forward
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