Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 13, Problem 1AC
Summary Introduction
To determine: Whether the gene would be longer, the mRNA be longer, or both be the same size when an mRNA molecule ready for translation is compared with that of section of the DNA from which the mRNA is transcribed.
Introduction: Some of the genes in a cell are transcribed into RNA and they express themselves in the form of proteins. After transcription, primary transcript is formed. There are four types of RNA, each playing its role during transcription and translation.
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Diagram generally how a mRNA that contains sequences corresponding to four (4) exons would be translated. How many domains would the protein that results from translation contain?
In translation of an mRNA into a protein, the first amino acid that is attached to the start codon is which of the following?
a. O-formylmethionine
b. Serine
c. N-formylmethione
d. Cysteine
Select the best answer or answers from the choices given: If DNA has a sequence of AAA, then a segment of mRNA synthesized on it will have a sequence of (a) TTT, (b) UUU, (c) GGG, (d) CCC.
Chapter 13 Solutions
Biology
Ch. 13.1 - describe three types of RNA that play roles in...Ch. 13.1 - Prob. 2CYLCh. 13.1 - Prob. 3CYLCh. 13.2 - Prob. 1TCCh. 13.2 - Prob. 1CYLCh. 13.2 - Prob. 2CYLCh. 13.2 - describe an example of post-transcription...Ch. 13.3 - Prob. 1TCCh. 13.3 - Prob. 1CSCCh. 13.3 - Prob. 1CYL
Ch. 13.3 - Prob. 2CYLCh. 13.3 - Prob. 3CYLCh. 13.3 - Prob. 4CYLCh. 13.4 - Prob. 1CSCCh. 13.4 - describe three different types of mutations?Ch. 13.4 - Prob. 2CYLCh. 13.5 - Prob. 1HYEWCh. 13.5 - Envision yourself as a physician. A mother,...Ch. 13.5 - Prob. 2TCCh. 13.5 - Prob. 1CYLCh. 13.5 - Prob. 2CYLCh. 13.5 - Prob. 3CYLCh. 13.5 - Prob. 4CYLCh. 13.5 - Prob. 1CTCh. 13 - Prob. 1MCCh. 13 - Which of the following is not true of RNA? a. It...Ch. 13 - Prob. 3MCCh. 13 - Prob. 4MCCh. 13 - Prob. 5MCCh. 13 - Synthesis of RNA from the instructions in DNA is...Ch. 13 - Prob. 2FIBCh. 13 - Prob. 3FIBCh. 13 - Prob. 4FIBCh. 13 - Prob. 5FIBCh. 13 - If a nucleotide is replaced by a different...Ch. 13 - Prob. 1RQCh. 13 - Name the three types of RNA that are essential to...Ch. 13 - Prob. 3RQCh. 13 - Prob. 4RQCh. 13 - Prob. 5RQCh. 13 - Prob. 6RQCh. 13 - Prob. 7RQCh. 13 - Define mutation. Describe four different effects...Ch. 13 - Prob. 1ACCh. 13 - Prob. 2AC
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- What is the name of the enzyme is responsible for transcribing the DNA sequence into mRNA? In your own words, explain what this enzyme does.arrow_forwardSuppose you are provided with a sequence of nucleotides. How would you determine if the sequence is of mRNA, tRNA, or DNA molecules?arrow_forwardSuppose the gene that produced this mRNA happens to mutate so that one of the codons in the middle of the mRNA becomes a stop codon. What will happen the next time the gene is transcribed and translated? Will any protein be produced from the mutant mRNA? Explain.arrow_forward
- What would be the mRNA strand if the DNA strand reads: T A C C G A G T C A C G?arrow_forwardWhich of the following best describes mRNA?Group of answer choices a) Complexes with ribosomal proteins to form ribosomes b) Transports amino acids to ribosomes during translation c) Provides the instructions for the amino acid sequence of a polypeptide d) Used for eukaryotic RNA processingarrow_forwardThe ribosome binds to the mRNA molecule to start translation of its code into a protein. What happens to the small and large ribosomal subunits at the end of translation?arrow_forward
- Construct a polypeptide chain by translating the given red strand of the mRNA segment. AUG-ACA-GUG-UCA-UAC-AAG-CCU-CAU-GCC-GUC-AUA-CUU-GGG-UGU-GAC-CUA-AUAarrow_forwardIf the sequence of an mRNA is GAGUUCACAGUAGGC, the sequence of the template strand of the corresponding gene is... which of the following answers? a. CTCAAGTGTCATCCG b. GCCTACTGTGAACTC c. 3' GAGTTCACAGTAGGC 5' d. GAGTTCACAGTAGGC e. none of the abovearrow_forwardWhen translation begins, the first amino acid heads to the small subunit of the ribosome. What brings the amino acid there, and why does it interact with that specific part of the mRNA?arrow_forward
- A piece of mRNA is moving along the ribosome. Which amino acid would bind if the mRNA read.... AGG?arrow_forwardDuring translation, the ribosome binds to ____ end of the mRNA and translation will proceed in the ____ directionarrow_forwardConsider a portion of a gene in a cell with the sequence TTTTT. Which of the following bases would you find in the complementary RNA strand, and where in the (eukaryotic) cell would this RNA be synthesized? A) A-A-A-A-A; ribosome B) U-U-U-U-U; ribosome C) A-A-A-A-A; nucleus D) U-U-U-U-U; nucleusarrow_forward
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