Pnb 2250 exam 3 - Study guides, Class notes & Summaries
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PNB 2250 Exam 3 Questions And Answers With Verified Study Tests
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PNB 2250 Exam 3 Questions And Answers With Verified Study Tests 
Examples of respiratory structures of terrestrial animals ANS bulk flow with tracheal system and spiracles (insects), cutaneous (frog) 
 
Examples of respiratory structures of aquatic animals ANS bulk flow (sponges, cnidarians), gills, water vascular system, arborescent respiratory trees (sea cucumber), cutaneous (leech) 
 
Do all aquatic animals necessarily exchange gasses in water? ANS No, some aquatic animals could exchange g...
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PNB 2250 Exam 3 Complete Questions And Answers With Latest Quiz
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PNB 2250 Exam 3 Complete Questions And Answers With Latest Quiz 
Of the following, which is NOT a strategy by which endotherms generate internal heat: ANS Panting 
 
The minimal metabolic activity required to maintain bodily functions in a mammal is known as the ANS basal metabolic rate. 
 
Which of the following thermoregulatory mechanisms can be used to restrict blood flow to the skin, and thus decreases heat loss by keeping the warmed blood closer to the core of the body? ANS vasoconstrict...
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PNB 2250 EXAM 3 Questions And Answers With 2024/2025 Updates
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PNB 2250 EXAM 3 Questions And Answers With 2024/2025 Updates 
The presence of poly-unsaturated fatty acids in the cell membrane is decreased in larger animals with lower mass-specific metabolic rates(E3) 
 
A. true 
B. false 
C. this is dependent on animal shape 
D. This is only true for swimming animals 
E. this is only true for flying animals ANS A. true 
 
A size selective (but not solute selective) nephron filtration barrier ...(E3) 
 
A. is very uncommon in vertebrates 
B. is not found in ...
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PNB 2250 Exam 3 UCONN Questions And Answers With Real Tests
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PNB 2250 Exam 3 UCONN Questions And Answers With Real Tests 
The loss of digestive wastes, CO2 and NH4+ are examples of _______________. ANS excretion 
 
The regulation of H2O and solutes is via ___________________. ANS osmoregulation 
 
Water moves from an area of ________ (low, high) osmolarity to an area of __________ (low, high) osmolarity ANS low, high 
 
___________: a chemical dissolved in a solvent (H2O is the only solvent we are interested in) [6.02]. ___________s occupy space within...
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PNB 2250 Exam 3 Questions And Answers Latest Updates
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Name an animal that has neither a circulatory system nor a respiratory system and relies solely on 
cutaneous diffusion for gas exchange. How is this adequate for its survival? - Small and thin 
animals, like flatworms and horsehair worm parasites, have no respiratory or circulatory systems and 
solely rely on cutaneous/cuticle diffusion through water or air. 
Examples of respiratory structures of aquatic animals - bulk flow (sponges, cnidarians), gills, water 
vascular system, arborescent respi...
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PNB 2250 Exam 3 Questions and Correct Answers | Latest Update
- Exam (elaborations) • 58 pages • 2024
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Examples of respiratory structures of terrestrial animals 
 -:- bulk flow with tracheal system and spiracles (insects), cutaneous 
(frog) 
Examples of respiratory structures of aquatic animals 
 -:- bulk flow (sponges, cnidarians), gills, water vascular system, 
arborescent respiratory trees (sea cucumber), cutaneous (leech) 
Do all aquatic animals necessarily exchange gasses in water? 
 -:- No, some aquatic animals could exchange gasses above water using 
lungs, like aquatic mammals, or cuta...
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PNB 2250 Exam 3 Uconn Latest Update with complete solution
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_______________ have a single or multiple solute binding pockets and after solute binding, a reversible 
conformation movement exposes the solute-binding pocket to the other face of the membrane. - 
transporters 
Because of the factors affecting diffusion, H2O will move from an area of higher concentration (low 
osmolarity) to an area of lower concentration (higher osmolarity) if the cell membrane is permeable to 
H2O [6.03]. The movement of H2O in this way is a very powerful force, capable of r...
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PNB 2250 Exam 3 Uconn Questions and Correct Answers | Latest Update
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The loss of digestive wastes, CO2 and NH4+ are examples of _______________. 
 -:- excretion 
The regulation of H2O and solutes is via ___________________. 
 -:- osmoregulation 
Water moves from an area of ________ (low, high) osmolarity to an area of __________ 
(low, high) osmolarity 
 -:- low, high 
___________: a chemical dissolved in a solvent (H2O is the only solvent we are interested 
in) [6.02]. ___________s occupy space within H2O 
 -:- solute 
Osmolarity : measure of the number of ___...
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PNB 2250 Exam 3 Questions and Answers | 100% Pass
- Exam (elaborations) • 40 pages • 2024
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PNB 2250 Exam 3 Questions and 
Answers | 100% Pass 
Examples of respiratory structures of terrestrial animals - Answer-bulk flow with 
tracheal system and spiracles (insects), cutaneous (frog) 
Examples of respiratory structures of aquatic animals - Answer-bulk flow 
(sponges, cnidarians), gills, water vascular system, arborescent respiratory trees (sea 
cucumber), cutaneous (leech) 
Do all aquatic animals necessarily exchange gasses in water? - Answer-No, 
some aquatic animals could exchange ga...
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PNB 2250 Exam 3 Uconn Study guide with complete solutions
- Exam (elaborations) • 6 pages • 2024
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PNB 2250 Exam 3 Uconn Study guide 
with complete solutions 
The loss of digestive wastes, CO2 and NH4+ are examples of _______________. - 
Answer-excretion 
The regulation of H2O and solutes is via ___________________. - Answer- 
osmoregulation 
Water moves from an area of ________ (low, high) osmolarity to an area of 
__________ (low, high) osmolarity - Answer-low, high 
___________: a chemical dissolved in a solvent (H2O is the only solvent we are 
interested in) [6.02]. ___________s occupy sp...
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