Leren Study guides, Class notes & Summaries
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Elementary Differential Equations 2e Werner Kohler, Lee Johnson (Solutin Manual)
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Elementary Differential Equations 2e Werner Kohler, Lee Johnson (Solutin Manual) 
 
Elementary Differential Equations 2e Werner Kohler, Lee Johnson (Solutin Manual)
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Life: The Science of Biology, Ninth Edition Sadava • Hillis • Heller • Berenbaum CH 6 Cell Membranes
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Cell Membranes 
 
TEST FILE QUESTIONS AND ANSWERS 
(By Catherine Ueckert) 
 
Multiple Choice 
 
1.	The compounds in biological membranes that form a barrier to the movement of hydrophilic materials across the membrane are 
a.	integral membrane proteins. 
b.	carbohydrates. 
c.	lipids. 
d.	nucleic acids. 
e.	peripheral membrane proteins. 
Answer: c 
Textbook Reference: 6.1 What Is the Structure of a Biological Membrane? 
Page: 106 
Bloom’s Category: 1. Remembering 
 
2.	The plasma membrane of an...
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Life: The Science of Biology, Ninth Edition Sadava • Hillis • Heller • Berenbaum CH 8 Energy, Enzymes, and Metabolism
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1.	Lactose intolerance is due to the 
a.	inability to hydrolyze polysaccharides. 
b.	body’s ability to digest lactose but inability to absorb the resulting products. 
c.	gaseous side products produced in the small intestine. 
d.	inability to produce the enzyme lactase. 
e.	inability to oxidate luciferase. 
Answer: d 
Textbook Reference: 8.0 Lactase deficiency, p. 148 
Bloom’s Category: 2. Understanding 
 
2.	Water held back by a dam represents what kind of energy? 
a.	Hydroelectric 
b.	Irrig...
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Life: The Science of Biology, Ninth Edition Sadava • Hillis • Heller • Berenbaum CH 22 Reconstructing and Using Phylogenies
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1.	Which of the following properties of HIV makes it difficult to trace the source of the virus from one person to the next? 
a.	The transmission of the virus involves very few (often just one) viral particles. 
b.	HIV evolves very slowly within the host. 
c.	The host can have a genetically diverse population of viruses. 
d.	Molecular phylogenies of viruses cannot be constructed. 
e.	None of the above 
Answer: c 
Textbook Reference: 22.0 Phylogenetic trees in the courtroom 
Page: 464 
Bloom’s ...
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Life: The Science of Biology, Ninth Edition Sadava • Hillis • Heller • Berenbaum CH 10 Photosynthesis: Energy from Sunlight
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1.	Which of the following biological groups is dependent on photosynthesis for its survival? 
a.	Vertebrates 
b.	Mammalia 
c.	Fishes 
d.	Plants 
e.	All of the above 
Answer: e 
Textbook Reference: 10.0 Photosynthesis and global climate change 
Page: 189 
Bloom’s Category: 2. Understanding 
 
2.	The Intergovernmental Panel of Climate Change, sponsored by the United Nations, may be able to impact global climate change by 
a.	wavelengths of lights that are not part of the absorption spectrum. 
b....
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Life: The Science of Biology, Ninth Edition Sadava • Hillis • Heller • Berenbaum CH 11 The Cell Cycle and Cell Division
- Exam (elaborations) • 43 pages • 2023
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1.	Which of the following is not true about cervical cancer, which is a relatively common cancer? 
a.	It can be detected early by a PAP test. 
b.	It is usually caused by human papillomavirus (HPV). 
c.	It causes the cervical cells to make peptide E7, which disrupts the cell cycle. 
d.	It spreads by blocking the retinoblastoma protein RB. 
e.	It usually remains localized. 
Answer: e 
Textbook Reference: 11.0 An enemy of the cell reproduction cycle 
Page: 209–210 
Bloom’s Category: 1. Remember...
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Life: The Science of Biology, Ninth Edition Sadava • Hillis • Heller • Berenbaum CH 24 Evolution of Genes and Genomes
- Exam (elaborations) • 37 pages • 2023
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1.	Fish use high-voltage discharges 
a.	to locate prey. 
b.	to communicate with other individuals. 
c.	to stun prey. 
d.	All of the above 
e.	None of the above 
Answer: d 
Textbook Reference: 24.0 Shocking evolution 
Page: 498 
Bloom’s Category: 1. Remembering 
 
2.	The precursors to the genes that cause the electric discharges in the electric organs of some fish evolved from	genes that were involved in	. 
a.	calcium channel; muscle contraction 
b.	calcium channel; neuronal activity 
c.	sodium...
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Life: The Science of Biology, Ninth Edition Sadava • Hillis • Heller • Berenbaum CH 20 Development and Evolutionary Change
- Exam (elaborations) • 33 pages • 2023
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1.	Which of the following statements about the gene eyeless is true? 
a.	It encodes a transcription factor. 
b.	It is found in Drosophila. 
c.	Pax6 is the equivalent gene in mice. 
d.	All of the above 
e.	None of the above 
Answer: d 
Textbook Reference: 20.0 The eyes have it 
Page: 426 
Bloom’s Category: 1. Remembering 
 
2.	Flies have	eyes, while mammals have	eyes. 
a.	cameralike; compound 
b.	cameralike; binocular 
c.	compound; cameralike 
d.	compound; heterochronic 
e.	simple; compound 
An...
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Life: The Science of Biology, Ninth Edition Sadava • Hillis • Heller • Berenbaum CH 21 Evidence and Mechanisms of Evolution
- Exam (elaborations) • 43 pages • 2023
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1.	Which of the following statements about the 1918–19 influenza pandemic is false? 
a.	Compared with most flu viruses, the virus of the pandemic hit young adults particularly hard. 
b.	There were more deaths from this virus than there were combat deaths in World War I. c. The virus often triggered an especially intense reaction in the immune system. 
d. The virus was the product of evolution. e. All of the above are true; none is false. Answer: e 
Textbook Reference: 21.0 Evolutionary theory ...
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CPP Exam for the LERN Conference | 100 Questions with 100% Correct Answers | Updated and Verified
- Exam (elaborations) • 13 pages • 2023
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What is better Formula Pricing or Market Pricing? - Market Pricing 
When pricing, it is best to stay off of what type of numbers? - Round numbers 
Your Projected Income is $500, your Promotion Costs $50, your Production costs $200 and your Class 
Fee is $50. What is your go/no-go number? - 4. (Go/No-Go Point=Production Cost/Class Fee) 
If you have a course priced at $100, what are your two best price options? - $95 and $125 
What is NOT a pricing strategy? - Formula price 
What are the "Three B...
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