Bio 280 - Study guides, Class notes & Summaries
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BIO 280 Exam 1 Questions And Answers!!
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1830s - -many ancient people were animists 
-in many eastern and ancient cultures, man is part of nature 
-the gods of humans are animals and forces of nature 
-humans see themselves as belonging with nature 
1830s - -many ancient people were animists 
-in many eastern and ancient cultures, man is part of nature 
-the gods of humans are animals and forces of nature 
-humans see themselves as belonging with nature 
2 main groups of whales - balaenopteridae, and oooh whales 
2 main groups of whale...
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Bio 280 Exam 2 Questions & Answers Already Graded A+
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"-cide" - refers to killing. 
"Bacteriocide" kills bacteria, "fungicide" kills fungi, etc. 
"-static" - means 'to stand still'. Refers to an agent which prevents growth but doesn't kill. 
"Bacteriostatic" or "fungistatic" or "virustatic" agent 
"troph" means - eat 
A solution containing an antibiotic? - Filtration 
Abiogenesis - life arise from non-living matter 
Acidophiles - like low ph 
Active transport - Moving from lower to higher concentration. 
Aerotolerant - If there'...
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BIO 280 Exam 2 Dr. Herrick JMU; Questions and Answers
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BIO 280 Exam 2 Dr. Herrick JMU; Questions and Answers
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Bio 280 Exam 1 Questions And Answers!!
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"I wouldn't touch that with a 10ft pole" - There was epidemics going around and multiple people 
would die and during this time people would die and they were so tired from taking care of people they 
didn't have time to bury them so they would be carried out to the curb and picked up by a plague cart 
driven by horse, they would use a stick so he could get bodies w/o being able to breath in the miasma 
Alexander Fleming - Had PHD in microbiology and a MD was doing research 
All bacterial ce...
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BIO 280 Test 1 Questions And Answers With Verified Tests
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_______ are the prominent macromolecules in cells - Proteins 
________ _________ - compounds containing both carbon and hydrogen atoms - Organic 
chemicals 
__________ molecules (e.g. soap, _phospholipids_) have both hydrophobic and hydrophilic properties. - 
Amphipathic 
A ________ fatty acid forms a triglyceride whose straight chains pack together to form solid fats. - 
Saturated 
A compound microscope used the total magnification of the ______ lens and the _____ lens.w - 
Ocular, objective 
A...
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Bio 280 Exam 2
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How many chromosomes are found in prokaryotes? - one 
 
What is another place that can have DNA in prokaryotes? - plasmid 
 
Bacteria generally have a? - single large chromosome 
 
Super Coiled DNA is - DNA packed and coiled which is held together by proteins. It is not bounded by a membrane. 
 
Plasmids - -Extrachromosomal circular DNA 
-Contain genes which are not necessary for the organism's survival but which may be useful to it (e.g antibiotic resistance genes, genes for enzymes which degr...
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BIO 280 Level 1, 2 & 3 defenses Questions With 100% Correct Answers.
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A vaccine that only includes subunits involves? - Soluble Antigens 
Adjuvants 
boost response how? (2 ways) - boost responses by "irritating" immune system 
OR 
clumping antigens 
After a threat has been neutralized, what happens to Tc cells, Th1 cells and Tm cells? which are 
cloned/live how long? - Cloned Tc cells and Th1 cells die (short-lived) 
Memory T-cells (Tm) live forever (do not have a set life span for apoptosis to occur) 
After a threat is over, what occurs during a second exposure...
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BIO 280 Level 1, 2 & 3 defenses Study guide 2024
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Describe the three levels of the bodies defenses 
 
specific/solicited? Where? - Level one: on surface 
-non specific, non-solicited 
 
Level two: beneath the surface 
-non-specific, semi-solicited 
 
Level three: systemic responses 
-specific, solicited 
 
What defenses contribute to the level one defenses? 
 
type of cells? layering/levels in skin? moisture? 
 
also includes? - skin, mucous membranes, chemicals 
 
close fitting cells, multi-layered epidermis and dermis, dry 
 
also includes ke...
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BIO 210 TRIDENT TECH FINAL EXAM 2024 WITH 280 ACTUAL EXAM QUESTIONS WITH 100% THE RIGHT ANSWERS ALREADY PASSED AND SCORED A+
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BIO 210 TRIDENT TECH FINAL EXAM 2024 WITH 280 ACTUAL EXAM 
QUESTIONS WITH 100% THE RIGHT ANSWERS ALREADY PASSED AND 
SCORED A+
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BIO 280 - Final exam Questions & Answers Already Graded A+
- Exam (elaborations) • 10 pages • 2024
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amphipathic molecules - molecules with both hydrophilic and hydrophobic properties 
approaches of antibiotics - -inhibition of cell wall formation 
--beta lactam 
-inhibition of cell membrane function 
-inhibition of DNA synthesis 
-inhibition of protein synthesis 
-inhibition of nucleic acid synthesis 
aqueous environment - -polar water environment that interacts with other polar molecules/ions 
(hydrophilic molecules) 
-formation of hydrogen bonds 
-environment doesn't react with nonpolar sub...
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