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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Chapter 20, Problem 1FIB
____________, have peptidoglycan in their____________, but ____________, do not.
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Mark all statements that are consistent or accurate with the topic provided. Choosing more or less than
the correct options will be considered incorrect.
Accurate statements related to
2.
1.
Functions of glycocalyx: *
peptidoglycan: *
Peptidoglycan is only present in gram-
positive bacteria.
Allows bacterium to stick to host cells.
Forms pseudopodia for faster mobility of
Peptidoglycan is found mainly in the cell
walls of fungi and algae.
an organism.
Gram-negative cell wall has relatively
thinner layer of peptidoglycan than gram-
"Hides" the bacteria from host immune
cells.
positive.
3.
Mismatched pairs: *
Mitochondria : ATP production
Golgi apparatus : Protein synthesis
Vacuoles : Photosynthesis
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Please hand draw Paramecium caudatum and label it with the following terms: Paramecium, Phylum Ciliophora, Macronucleus, micronucleus.
Please be sure to include all of the terms provided.
Look up the history of penicillin. From which species of mold was penicillin first (accidentally) discovered?Look up “pseudohyphae” (or “pseudohypha”) online and describe what they are in five words or less (“falsehyphae” is not sufficient) _____________________________________________________________________The presence of pseudohyphae indicates infections by which fungal species? ____________________________An infection of the mouth by the fungal species above is called _______________________________________
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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