Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 27, Problem 3TYK
Some prokaryotes have specialized internal membranes that
- a. have attached ribosomes and function in protein synthesis.
- b. arose from endosymbiosis of smaller prokaryotes, evolving into mitochondria and chloroplasts.
- c. form from infoldings of the plasma membrane and may function in
cellular respiration or photosynthesis. - d. separate plasmids from the single prokaryotic chromosome located in the nucleoid.
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Students have asked these similar questions
Horizontal gene transfer probably started soon after endosymbiosis. It has resulted in genes being moved from the mitochondrion to the nucleus.
What is a reasonable explanation for why some genes still remain in the mitochondria?
A.
The products of those genes are rapidly damaged and need to be quickly replaced.
B.
The products of those genes are not required for organelle function.
C.
The ability for lateral gene transfer ended about a billion years ago and some genes simply got “stuck” within mitochondria.
D.
The products of those genes are only needed in the mitochondria.
Which of the following characteristics is not common in prokaryotic cells?
a. chromatin
b. double-stranded DNA
c. plasmids
d. linear chromosomes
Small circular pieces of DNA that are found in the cytoplasm of aprokaryotic cell are calleda. capsules.b. nucleoids.c. plasmids.d. ribosomes.
Chapter 27 Solutions
Study Guide for Campbell Biology
Ch. 27 - Fill in the following table with brief...Ch. 27 - Complete the following concept map that summarizes...Ch. 27 - This is a micrograph of the cyanobacterium...Ch. 27 - Prob. 4IQCh. 27 - Prob. 5IQCh. 27 - One might think of prokaryotes as primitive,...Ch. 27 - Prob. 2SYKCh. 27 - Prob. 1TYKFCh. 27 - __________ region in which the prokaryotic...Ch. 27 - __________ common staining technique that...
Ch. 27 - Prob. 4TYKFCh. 27 - Prob. 5TYKFCh. 27 - Prob. 6TYKFCh. 27 - Prob. 7TYKFCh. 27 - Prob. 8TYKFCh. 27 - ___________ use of organisms to remove...Ch. 27 - __________type of respiration that uses molecules...Ch. 27 - The Gram stain distinguishes among bacteria based...Ch. 27 - Prob. 2TYKCh. 27 - Some prokaryotes have specialized internal...Ch. 27 - Prob. 4TYKCh. 27 - Prob. 5TYKCh. 27 - Prob. 6TYKCh. 27 - Prob. 7TYKCh. 27 - Prob. 8TYKCh. 27 - Prob. 9TYKCh. 27 - Prob. 10TYKCh. 27 - Which of the following statements accurately...Ch. 27 - Prob. 12TYKCh. 27 - O157:H7, a pathogenic strain of E. coli, has over...
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- For eukaryote cells to evolve into new types of eukaryotic organism, which of the following would one expect to occur? a) All the cells are identical b) The endoplasmic reticulum is not involved. c) These specialized cells activate only the genes in their nucleoid area. d) Cells must be getting new genetic mutations and more DNA e) none of these are true.arrow_forwardIn prokaryotic cells, mRNA is translated as soon as it is transcribed because prokaryotes have... A. No nuclear membranes B. Fewer genes than eukaryotes C. Genes contained in plasmids D. A and Barrow_forwardWhich of the following characteristics is not true of a plasmid?a. It is a circular piece of DNA.b. It is required for normal cell function.c. It is found in bacteria.d. It can be transferred from cell to cell.arrow_forward
- Why must a genetically engineered plasmid contain a genetic marker? a.) to prevent the construction of an artificial chromosome b.) to separate cells that contain recombinant DNA from those that do not c.) to produce multiple copies of the recombined plasmid after heat treatment d.) to break apart the circular plasmid and introduce another DNA fragmentarrow_forwardWhich of the following statements is false? a. Plasmids can be exchanged between different species of bacteria. b. The blue circle represents a small chromosome. c. The blue circle is a plasmid that contains genes that confer resistance to specific antiobiotics. d. The blue circle represents a double-stranded molecule of DNA.arrow_forwardWhich of the following statements is true of plasmids? a. They are composed of RNA. b. They normally exist outside of bacterial cells. c. They possess only a single strand of DNA. d. They contain an origin of replicationarrow_forward
- In conjugation, (a) two bacterial cells of different mating types come together, and genetic material is transferred from one to another (b) a bacterial cell develops a bulge that enlarges and eventually separates from the mother cell (c) fragments of DNA released by a broken cell are taken inby another bacterial cell (d) a phage carries bacterial genes from one bacterial cell into another (e) walls develop in the cell, which then divides into several new cellsarrow_forwardPlasmids are circular extrachromosomal DNA in bacteria that play a role in: d. degradation of viruses a. growth of bacteria b. pathogenicity and antibiotic resistance c. production of antibodiesarrow_forwardWhy was the cold ethanol added to the soap and salt mixture? A To digest the cell walls B To dissolve the RNA C To emulsify lipids and remove large cellular debris D To precipitate the DNA E To denature the cytoplasmic proteinsarrow_forward
- Other than obvious changes in protein-encoding Neanderthal genes, changes in what type of non-coding DNA sequences would affect cell function? A) Alu family of repeated sequences B) Short tandem repeats (STRs) C) Protein factors that regulate gene expression D) Short interspersed nuclear elements (SINEs)arrow_forwardDescribe a mechanism by which a gene could movefrom the bacterial genome to a plasmid in the samecell, or vice versa.arrow_forwardWhich of the following is true about plasmids?a) They are present in all organismsb) They are present in bacteria onlyc) They are present in bacteria and phagesd) They are present in plants and animalsarrow_forward
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