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Straighterline
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Bio 250 straighterline test 1 prep Correct Answered Questions| Already Graded A+
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Organisms called parasites are ______. 
Select one: 
a. always harmful to their host 
b. the decomposers in ecosystems 
c. always viruses 
d. free-living 
: always harmful to their host 
Trees of life that illustrate the phylogenetic relationships of all organisms were 
traditionally based on ______; newer methods for determining phylogeny rely on 
______. 
Select one: 
a. morphology; nucleic acid sequences 
b. nucleic acid sequences; morphology 
c. morphology; virology 
d. morphology; nutr...
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Microbiology Straighterline CorrectAnswered Questions| Already Graded A+
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Studies by Emil von Behring and Shibasaburo Kitasato demonstrated that inactivated 
toxins can induce the synthesis of antitoxins in the blood of rabbits. These antitoxins 
(antibodies) are the basis of... 
a. humoral immunity 
b. cell-mediated immunity 
c. antibiotic immunity 
d. phagocyte-mediated immunity 
: a. humoral immunity 
Who of the following first discovered that some blood leukocytes could engulf diseasecausing bacteria? 
a. von Behring 
b. Meister 
c. Metchnikoff 
d. Ivanowski 
...
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microbiology final straighterline Correct Answered Questions| Already Graded A+
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The study of evolutionary relationships among organisms is called ______. 
: phylogeny 
The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from 
______. 
: Last Universal Common Ancestor 
Organisms called parasites are ______. 
: always harmful to their host 
Which of the following does not indicate microbe involvement in energy and nutrient 
flow? 
: Thermal hot springs warmed by heat from earth's interior 
The subatomic particles that surround the nucleus are the...
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final exam straighterline microbiology Correct Answered Questions| Already Graded A
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In the nitrogen cycle, which of the following steps involves removal of nitrogen from the 
atmosphere by bacteria? 
: Nitrogen Fixation 
If enough H+ ions are added to pure water to raise the H+ concentration of the solution 
to ten times higher than the original concentration, what is the resulting OHconcentration of the solution? 
: 10-8 M 
Fungi are able to reproduce asexually by creating conidiospores and sporangiospores. 
Which of the following is an accurate explanation for why it is a...
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Microbiology StraighterLine unit 1 Correct Answered Questions| Already Graded A+
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Microorganism 
: Organisms too small to be seen by the naked eye 
Less than 1mm 
Unicellular 
If multicellular thay lack different tissues 
acellular microorganisms 
: viruses -protein and nucleic acid, 
viroids - RNA 
satellites -nucleic acid with a protein shell 
prions- protein 
Cellular microorganisms 
: fungi - yeast molds 
protists - algae, Protozoa, slime molds 
bacteria -E Coli 
archaea - methanogens (natural gas)extreme environments 
prokaryotic cell 
2 
: cell that does not have a nuc...
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STRAIGHTERLINE CHEMISTRY FINAL- DECK 4 EXAM 2024
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STRAIGHTERLINE CHEMISTRY FINAL- DECK 4 EXAM 2024
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STRAIGHTERLINE EXAM 1 (CHPT. 1-3) 2024 WITH 100% CORRECT ANSWERS
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STRAIGHTERLINE EXAM 1 (CHPT. 1-3) 2024 WITH 100% CORRECT ANSWERS 
 
 
Which of the following is a tentative explanation for a set of observations? 
a. Law 
b. Hypothesis 
c. Theory 
d. Phenomena 
e. Prediction - correct answer b. Hypothesis 
 
Which of the following cannot be separated into simpler substances by chemical means? 
a. Element 
b. Emulsion 
c. Compound 
d. Homogeneous mixture 
e. Heterogeneous mixture - correct answer a. Element 
 
Which of the following is an extensive property? 
a...
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A& P 1 Final Exam, Straighterline Anatomy and Physiology 1 Straighterline A &P 1 Cumulative questions with best solutions
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A& P 1 Final Exam, Straighterline Anatomy and Physiology 1 Straighterline A &P 1 Cumulative Exam
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A& P 2 Straighterline Final Exam questions with correct answers
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A& P 2 Straighterline Final Exam
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A& P1 Ch1- Straighterline questions with correct answers
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A& P1 Ch1- Straighterline Exam
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