Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 13, Problem 14CTQ
Explain the reason why the imprudent and excessive use of antibiotics has resulted in a major global problem.
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Ch.23
How is Salmonella able to cross from the intestines into the blood?
A. it is so small that it can squeeze between intestinal cells
B. it secretes a toxin that induces its uptake into intestinal epithelial cells
C. it secretes enzymes that create perforations in the intestine
D. it can get into the blood only if the bacteria are deposited directly there, that is, through a puncture
—
Which virus is associated with liver cancer?
A. hepatitis A
B. hepatitis B
C. hepatitis C
D. both hepatitis B and C
—
explain your answer thoroughly
Ch.21
What causes patients infected with the yellow fever virus to turn yellow (jaundice)?
A. low blood pressure and anemia
B. excess leukocytes
C. alteration of skin pigments
D. liver damage in final stage of disease
—
What is the advantage for malarial parasites to grow and replicate in red blood cells?
A. able to spread quickly
B. able to avoid immune detection
C. low oxygen environment for growth
D. cooler area of the body for growth
—
Which microbe does not live part of its lifecycle outside humans?
A. Toxoplasma gondii
B. Cytomegalovirus
C. Francisella tularensis
D. Plasmodium falciparum
—
explain your answer thoroughly
Ch.22
Streptococcus pneumoniae has a capsule to protect it from killing by alveolar macrophages, which kill bacteria by…
A. cytokines
B. antibodies
C. complement
D. phagocytosis
—
What fact about the influenza virus allows the dramatic antigenic shift that generates novel strains?
A. very large size
B. enveloped
C. segmented genome
D. over 100 genes
—
explain your answer thoroughly
Chapter 13 Solutions
Concepts of Biology
Ch. 13 - Figure 13.6 Which of the following statements is...Ch. 13 - The first forms of life on Earth were thought to...Ch. 13 - The first organisms that oxygenated the atmosphere...Ch. 13 - Which of the following consist of prokaryotic...Ch. 13 - Prokaryotes stain as Gram-positive or...Ch. 13 - Prokaryotes that obtain their energy from chemical...Ch. 13 - Bioremediation includes _____. a. the use of...Ch. 13 - What event is thought to have contributed to the...Ch. 13 - Mitochondria most likely evolved from_______. a. a...Ch. 13 - Protists with the capabilities to absorb nutrients...
Ch. 13 - Which parasitic protist evades the host immune...Ch. 13 - Which polysaccharide is usually found in the cell...Ch. 13 - What term describes the close association of a...Ch. 13 - Explain the reason why the imprudent and excessive...Ch. 13 - Your friend believes that prokaryotes are always...Ch. 13 - Describe the hypothesized steps in the origin of...Ch. 13 - How does killing Anopheles mosquitoes affect the...Ch. 13 - Without treatment, why does African sleeping...Ch. 13 - Why can superficial mycoses in humans lead to...
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