Graded potentials are - Study guides, Class notes & Summaries
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HUBS1416 PRACTICE EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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HUBS1416 PRACTICE EXAM | 
QUESTIONS & ANSWERS (VERIFIED) | 
LATEST UPDATE | GRADED A+ 
Which of the following would be expected to inhibit the generation of an action 
potential? 
a) Inflammation of the myelin sheath 
b) Stimulating GABA receptors 
c) Blocking acetylcholine receptors 
d) Activating adrenalin receptors 
Correct Answer: b) Stimulating GABA receptors 
Which is true about neurons? 
a) At rest a neuron will have a negative membrane potential, due to it having more open 
K+ channe...
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ASET CNIM Exam 2023 Questions With Correct Solutions Latest Update Graded A+.
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ASET CNIM Exam 2023 Questions With Correct Solutions Latest Update Graded A+. 
Resting membrane potential is created by differences between the inside and 
outside of the cell in ion concentrations of 
1. K+ 
2. K+ and Ca++ 
3. K+, Na+ and Cl4. Na+, Ca++ and Cl- - Answer K+, Na+, and ClExcitation of the postsynaptic neuron is caused by the neurotransmitter 
1. gamma amino butyric acid 
2. glycine 
3. para amino butyric acid 
4. glutamate - Answer Glutamate 
Wave III of the BAER is generated by t...
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NRSC 434 - EXAM 2 REVIEW QUESTIONS AND ANSWERS, GRADED A+/[LATEST EXAM UPDATES]
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NRSC 434 - EXAM 2 REVIEW QUESTIONS AND ANSWERS, 
GRADED A+/ 
What are the differences in the cellular mechanisms underlying short-term and long-term 
synaptic plasticity? (i.e. where do they occur, how do they occur, and what are their cellular 
mechanisms). - -Short-term synaptic plasticity (facilitation): Post-synaptic excitatory 
potentials change, and there are shorter time intervals between pre-synaptic action 
potentials 
Facilitation is caused by... - -calcium accumulation in pre-synap...
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ASET CNIM Exam 2023 Questions With Correct Solutions Latest Update Graded A+.
- Exam (elaborations) • 31 pages • 2023
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ASET CNIM Exam 2023 Questions With Correct Solutions Latest Update Graded A+.Resting membrane potential is created by differences between the inside and 
outside of the cell in ion concentrations of 
1. K+ 
2. K+ and Ca++ 
3. K+, Na+ and Cl4. Na+, Ca++ and Cl- - Answer K+, Na+, and ClExcitation of the postsynaptic neuron is caused by the neurotransmitter 
1. gamma amino butyric acid 
2. glycine 
3. para amino butyric acid 
4. glutamate - Answer Glutamate 
Wave III of the BAER is generated by the...
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BIOL 235 Midterm 2 Exam Questions With Correct Answers Latest Updated 2024-2025 | Graded A+.
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BIOL 235 Midterm 2 Exam Questions and Answers Latest Updated | Graded A+. What is a mechanical advantage using the example of a lever? - if the load is closer to the fulcrum and 
the effort is farther from the fulcrum only a small about of effort is needed to move the load 
Bones serve as levers and joints serve as ________ for the lever - fulcrum 
Agonist (Prime Movers) _________ muscles while antagonist ____________ muscles - contract, relax 
What are muscles that contract and stabilize the i...
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WCU - PHYS 261 FINAL EXAM LATEST ANSWERS 2023
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WCU - PHYS 261 FINAL EXAM LATEST ANSWERS 2023. Nucleic acids are polymers of units called 
A) ribose. 
B) bases. 
C) fatty acids. 
D) amino acids. 
E) nucleotides. 
6) Cell membranes are said to be 
A) actively permeable. 
B) impermeable. 
C) freely permeable. 
D) selectively permeable. 
E) none of the above 
7) In humans, only __________ cells have flagella. 
A) sperm 
B) intestine lining 
C) stomach lining 
D) respiratory tract lining 
E) two of the above 
8) The addition of a phosphate group ...
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EEOB 4550 Exam 1 and 2 Questions for Final Exam 2024-2025
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Based on Question 5: Know the typical electrical and concentration/chemical gradients that exist across the plasma membrane of a neuron for Na+, K+ and Cl-. Based on these gradients, be able to state what direction each ion moves across the membrane - -[Na+]out >> [Na+]in 
-[K+]out << [K+]in 
-Differences maintained by Na+ K+ ATPase pump; 3 Na+ ions out, 2 K+ ions in, creates a net loss of positive ions 
-resting membrane potential is -50 to -80 mV 
-for K+ and Cl-, concentration and...
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UNCG BIO 277 Final Exam Review Questions and Answers(A+ Solution guide)
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Signals that affect nearby target cells after diffusing through interstitial fluid but not blood are... - 
Answer-paracrine signals 
The regulation of hear rate is an example of ____ control involving ____ signal-receptor combinations. - 
Answer-antagonistic; at least two 
Glucose enters the interstitial epithelial cells by _____ and exits those cells by ___. - Answer-secondary 
active transport; facilitated diffusion 
Steroid hormones initiate responses in target-cells by activating... - Answer...
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OCR A Level Biology Exam| Questions And Verified Answers With Complete Solutions| Graded A| 2024
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OCR A Level Biology Exam| Questions And Verified Answers With Complete Solutions| Graded A| 2024 
 
Abiotic components Correct Answer Components of an ecosystem that are non living 
 
Abiotic factors Correct Answer Non living components of an ecosystem that effect other living organisms 
 
Acetycholine Correct Answer Chemical that acts as a transmitter that diffuses across synaptic cleft 
 
Acetycholinesterase Correct Answer Enzyme in synaptic cleft that breaks down acetycholine. After it has tr...
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Bio 256 Actual Exam Questions with Correct Answers
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Bio 256 Actual Exam Questions with Correct Answers 
 
Signal Transduction Mechanisms - Answer-• Cell-‐cell contact signaling - important in normal development and immunity 
• Electrical signaling 
- voltage-‐gated ion channels 
in nerve and muscle tissue 
- Channel opens in response to a change in the 
membrane potential 
• Voltage across a membrane due to differential 
concentration and charges of ions inside/outside the cell 
• Chemical signaling - ligand gated ion channels 
dete...
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