Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 20.2, Problem 2CYL
- describe adaptations that help protect prokaryotes from environmental threats?
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Cellular inclusions in prokaryotic cells serve to
A) store energy rich compounds.
B) protect DNA.
C) position cells in the appropriate environment for survival.
D) store energy rich compounds and position cells in the appropriate environment for survival.
In comparing bacteria, archaea, and eukaryotes, which statement below among A - D is false?
A) O the members of two of these three groups comprise cells that lack a nuclear membrane
B) O archaea and eukaryotes share some similarities in the componeents of gene expression
C) O having diverse types of metabolism is a feature of the members of archaea and bacteria
D) Oa cytoplasmic membrane is a feature shared by all the cells in these three groups
E) OA-E are all true
Describe the relationship between the original bacteria kingdom called monera and the domain called bacteria.
Chapter 20 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 20.1 - describe some differences between bacteria and...Ch. 20.1 - describe the typical sizes and shapes of...Ch. 20.2 - Unwelcome Dinner Guests A few of the bacteria that...Ch. 20.2 - describe the range of environments inhabited by...Ch. 20.2 - As part of a study on the relationship between...Ch. 20.2 - Unpleasant breath odors are caused mainly by...Ch. 20.2 - What might explain the observation that most...Ch. 20.2 - describe adaptations that help protect prokaryotes...Ch. 20.2 - Some of the enzymes that have important uses in...Ch. 20.2 - explain how prokaryotes reproduce and exchange...
Ch. 20.2 - What is the main advantage of prokaryotic fission,...Ch. 20.3 - Unwelcome Dinner Guests Many of the bacteria...Ch. 20.3 - explain how prokaryotes affect animal and plant...Ch. 20.3 - If all of Earths nitrogen-fixing prokaryotes were...Ch. 20.3 - explain prokaryotes role in nutrient recycling?Ch. 20.3 - describe how prokaryotes help clean up pollution?Ch. 20.3 - describe some of the pathogenic bacteria that...Ch. 20.4 - Unwelcome Dinner Guests How do harmful bacteria...Ch. 20.4 - describe the structure and characteristics of...Ch. 20.4 - Why are viruses unable to replicate outside of a...Ch. 20.4 - describe the effects they can have on host...Ch. 20.4 - Biotechnologists often use viruses to transfer...Ch. 20 - Prob. 1ACCh. 20 - ____________, have peptidoglycan in...Ch. 20 - The name of the process by which DNA is...Ch. 20 - Describe some of the ways in which prokaryotes...Ch. 20 - Before the discovery of prions, many (perhaps...Ch. 20 - Prokaryotic cells are ____________,...Ch. 20 - A community of prokaryotes surrounded by slime and...Ch. 20 - What are nitrogen-fixing bacteria, and what role...Ch. 20 - Many prokaryotes use ____________ to move about....Ch. 20 - Which of the following statements about archaea is...Ch. 20 - Describe some of the extreme environments in which...Ch. 20 - ____________,bacteria inhabit environments that...Ch. 20 - Viruses a. are usually photosynthetic. b. consist...Ch. 20 - What is an endospore? What is its function?Ch. 20 - Prokaryotes reproduce by ____________ and may...Ch. 20 - Applying fertilizer near an oil spill to Increase...Ch. 20 - What is conjugation? What role do plasmids play in...Ch. 20 - The plant nutrient ammonium is produced by...Ch. 20 - Why are prokaryotes especially useful in...Ch. 20 - Cholera, gonorrhea, and pneumonia are some of the...Ch. 20 - Describe the structure of a typical virus. How do...Ch. 20 - A virus consists of a molecule of __________ or...Ch. 20 - Describe some examples of how prokaryotes are...Ch. 20 - How do archaea and bacteria differ? How do...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Do you think it is necessary that organisms continue to modify and specialize?Why or Why not?arrow_forwardWhat are two ways that some prokaryotes are able to survive in extreme environments?arrow_forwardDescribe the Theory of Endosymbiosis. a) Briefly define the Endosymbiotic Theory. 2 pts,b) Explain why the Theory of Endosymbiosis is considered a “theory” and not a “hypothesis.” 3 pts,c) Provide a description of eukaryotic and prokaryotic cells, including at least 4 similarities and 4 structural differences. 4 pts,d) Describe the sequence of events with anaerobic ancestral proto-eukaryotes and aerobic prokaryotes that led to the formation of mitochondria and chloroplasts inside eukaryotic cells. (Be sure to define aerobic and anaerobic respiration.) 6 pts,e) Explain how each, the anaerobic ancestral proto-eukaryotes and aerobic prokaryotes, benefited from the relationship. 4 pts,f) Describe 7 pieces of evidence for this scientific theory. Some of this evidence will consist of a list of similarities between mitochondria characteristics and bacteria characteristics. Along with this list of similarities, explain HOW the characteristics are similar. 10 pts,g) The Endosymbiotic Theory…arrow_forward
- Which of the following describe prokaryotes? a) usually have a circular chromosome b) typically have multiple chromosomes c) are usually diploid d) none of the abovearrow_forwardWho proposed Endosymbiotic theory?arrow_forwardWhich of the following is correct regarding multicellularity? a) All protists are unicellular organisms b) Colonies of bacteria are considered multicellular organisms c) It arises from endosymbiosis d) In animals, multicellularity involved the evolution of a new sequence domain in proteins called cadherins that allow cells to attach to one another e) Multicellularity evolved only once in all eukaryotesarrow_forward
- The hypercycle model explains which of the following? A) How the evolutionary transition from prokaryotic to eukaryotic cells through acquisiton of membrane bound organelles. B) How viruses first originated alongside cellular life through a hyper replicating RNA lineage. C) How individual replicating molecules like RNA, DNA, and proteins entered a molecular mutualism and became encapsulated forming protocells. D) How cycles of heat and electricity experimentally lead to the formation of amino acids in the lab.arrow_forwardWhich of the following is true regarding the diversity of life ? a) Domain Archaea does not contain any disease-causing organisms. b) Bacteria can vary greatly in size and range up to 700 µm in length Microbial Eukarya may have first arisen two billion years ago, well before fungi, plants c) animal d) All of the above are true 7:33 /arrow_forwardIn 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_forward
- Which domain, Archaea or Eukarya, is more closelyrelated to Bacteria? What evidence is there to justifyyour answer?arrow_forwardWhich of the following characters evolved last (i.e., most recently)? A) Heredity B) Photosynthesis C) Multicellularity D) Eukaryotic cells E) Prokaryotic cellsarrow_forwardWhich is true of Prokaryote cells? A) Because their DNA exists in a nucleoid area, the synthesis of proteins depends on random interactions between mRNA and rRNA, B) They contain membrane-bounded compartments or organelles. C) A true nucleus contains the DNA in the form of chromosomes D) Some contain mitochondria E) They contain many organelles in the cytoplasmarrow_forward
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