Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135564172
Author: Mark Sanders, John Bowman
Publisher: PEARSON+
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Textbook Question
Chapter 9, Problem 10P
Compare and contrast the composition and structure of bacterial and eukaryotic ribosomes, identifying at least three features that are the same and three features that are unique to each type of ribosome
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Discuss features of eukaryotic ribosomes.
Which of the following statements about ribosomes has never been documented in nature?
some eukaryotes have 70s ribosomes (with 30s and 50s ribosomal subunits)
some prokaryotes have 80s ribosomes (with 40s and 60s ribosomal subunits)
some eukaryotes have 80s ribosomes (with 40s and 60s ribosomal subunits)
some prokaryotes have 70s ribosomes (with 30s and 50s ribosomal subunits)
all of the above
Contrast how prokaryotic cells and eukaryotic cells differ in terms of a) size and b) structural complexity
Chapter 9 Solutions
Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
Ch. 9 - 9.1 Some proteins are composed of two or more...Ch. 9 - In the experiments that deciphered the genetic...Ch. 9 - 9.3 Several lines of experimental evidence pointed...Ch. 9 - Outline the events that occur during initiation of...Ch. 9 - 9.5 A portion of a DNA template strand has the...Ch. 9 - Describe three features of tRNA molecules that...Ch. 9 - Prob. 7PCh. 9 - For each of the anticodon sequences given in the...Ch. 9 - What is the role of codons UAA, UGA and UAG in...Ch. 9 - Compare and contrast the composition and structure...
Ch. 9 - Consider translation of the following mRNA...Ch. 9 - Prob. 12PCh. 9 - Third-base wobble allows some tRNAs to recognize...Ch. 9 - The genetic code contains 61 codons to specify the...Ch. 9 - 9.15 The three major forms of (,, and ) interact...Ch. 9 - The accompanying figure contains sufficient...Ch. 9 - 9.17 The line below represents a mature eukaryotic...Ch. 9 - 9.18. After completing Problem, carefully draw a...Ch. 9 - 9.19 Define and describe the differences in the...Ch. 9 - 9.20. Describe the roles and relationships...Ch. 9 - 9.21 In an experiment to decipher the genetic...Ch. 9 - Identify and describe the steps that lead to the...Ch. 9 - Prob. 23PCh. 9 - Har Gobind Khorana and his colleagues performed...Ch. 9 - 9.25 An experiment by Khorana and his colleagues...Ch. 9 - Prob. 26PCh. 9 - 9.27 The mature transcribed from the human gene is...Ch. 9 - Prob. 28PCh. 9 - Prob. 29PCh. 9 - Prob. 30PCh. 9 - 9.31 A portion of the coding strand of for a gene...Ch. 9 - A eukaryotic mRNA has the following sequence. The...Ch. 9 - Diagram a eukaryotic gene containing three exons...Ch. 9 - Prob. 34PCh. 9 - 9.35 Table lists and gene sequences for or ...Ch. 9 - Prob. 36PCh. 9 - In terms of the polycistronic composition of mRNAs...Ch. 9 - Prob. 38PCh. 9 - 9.39 Answer the following questions about the...Ch. 9 - 9.40 for each of the following anticodon...Ch. 9 - Prob. 41PCh. 9 - Prob. 42P
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- Which of the following statements about ribosomes is true? Eukaryotic ribosomes have a P site, prokaryotic ribosomes do not have a site O Eukaryotic ribosomes consist of proteins and rRNA, prokaryotic ribosomes do not have RNA Eukaryotic ribosomes have a large subunit and a small subunit, while prokaryotic ribosomes have just one subunit Prokaryotic cells don't have ribosomes Eukaryotic ribosomes are larger than prokaryotic ribosomesarrow_forwardWhich of the following statements about ribosomes is always true? all prokaryotic ribosomes are composed of both 40s and 60s ribosomal subunits all eukaryotic ribosomes are composed of both 30s and 50s ribosomal subunits all prokaryotic ribosomes are composed of both 30s and 50s ribosomal subunits all eukaryotic ribosomes are composed of both 40s and 60s ribosomal subunits all of the above statements are always truearrow_forwardCompare the RNA and protein components of prokaryotic and eukaryotic ribosomes.arrow_forward
- Consider the synthesis of a polypeptide by a prokaryote ribosome. When the polymerization of amino acids to form a polypeptide chain occurs and the molecule is still completely linear, what is the level of structure in the protein? A) primary B) secondary C) tertiary D) quaternaryarrow_forwardIn eukaryotes, after the ribosomes complete a synthesis, one might expect A) a new protein molecule to appear inside the ER B) a protein to insert into the cell membrane C) and increase in the amount of enzyme in the cell organelles D) the primary, secondary and tertiary levels of protein structure would form inside the ER E) All are possiblearrow_forwarddescribe the structure and function of: a) Two cell components that are found in both eukaryotic and prokaryotic cells. b) Two cell components that are found in eukaryotic cells only (plant or animal). c) Two cell components that are often found in prokaryotic cells only.arrow_forward
- List the structures of bacterial cells that have the same name and function as some eukaryotic structures, but a different molecular composition.arrow_forwardCompare and contrast the subunits of prokaryotic and eukaryotic ribosomes. What is the important application of this difference?arrow_forwardWhich is true of ribosomes found in eukaryotic cells? They: A) contain DNA B) synthesize carbohydrates C) are attached to the Rough Endoplasmic reticulum (RER) and carry out the synthesis of proteins D) are found inside the endoplasmic reticulum E) are originally found associated with the endoplasmic reticulum in prokaryotic cells.arrow_forward
- In prokaryotes, after the ribosomes completes a synthesis, one would expect to find: a) a new protein molecule to appear in the nucleus, b) new DNA inside the cell nucleoid, c) an increase in the amount of protein (enzyme) in the cell, d) a, b, and c are possible, e) none are possible.arrow_forwardEukaryotic cells have a ribosome. a) 60S; 70S b) 70S; 80S c) 80S; 70S d) 70S; 60S _size ribosome, while prokaryotic cells have a sizearrow_forwardWhich term among A-D is not correctly matched with its definition? A) O Slime layer: loose assemblage of polysaccharide material external to the cell envelope B) O Polysome or polyribosome formation: multiple ribosomes binding to a messenger RNA transcript C) O Replisome: two of these complexes working in opposite directions are needed to copy the bacterial chromosome D) O Nucleoid: cytoplasmic area containing the bacterial chromosome E) OA-D are all correctly matchedarrow_forward
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