Bio 181 exam 4 - Study guides, Class notes & Summaries

BIO 181 ASU Exam Questions And Correct Answers List the 4 types of glial cells and list a phrase to describe their function. - Answer -1. Schwann cells wrap around the axon of a cell in the PNS, while providing electrical insulation. 2. Oligodendrocytes do the same thing as Schwann cells but they do it in the CNS. 3. Astrocytes protect the brain from toxic chemicals. 4. Microgilia protect the brain. T/F When the presynaptic cells contacts a muscle cell, the synapse area is called a moto...

BIO 181 Final Exam Review QUESTIONS AND ANSWERS 2023. BIO 181 Final Exam Review (Shaffer ASU) 1. The stage of meiosis where "crossing over" occurs: Prophase 1 2. A mutation that you could pass on to your offspring would occur in the ___ cells: Germ cells 3. Most mutations that occur in our genomes are...: Neutral 4. Which type of mutation would most likely have dramatic effects on the gene of interest?: Nonsense mutation Frameshift mutation 5. What is the probability of a child havi...

ASU BIO 181 Exam 3 Exam Questions 2024 Marking Scheme Excitatory synapses make the post-synaptic cell less likely to fire. - Answer -False The neural tissues are: - Answer -Spinal cord, sensory neurons, and brain How do the glial cells (i.e., myelin sheath) speed up the firing of neurons? - Answer -The cell wraps extensions of a fatty insulating substance (myelin) around the axons of neurons. The action potential is: - Answer -A result of the movement of ions. Receptors are made f...

ASU BIO 181 Exam 3 Questions All 100% Correctly Answered Excitatory synapses make the post-synaptic cell less likely to fire. - Answer -False The neural tissues are: - Answer -Spinal cord, sensory neurons, and brain How do the glial cells (i.e., myelin sheath) speed up the firing of neurons? - Answer -The cell wraps extensions of a fatty insulating substance (myelin) around the axons of neurons. The action potential is: - Answer -A result of the movement of ions. Receptors are m...

BIO 181 GRAND CANYON UNIVERSITY EXAM 3 QUESTIONS AND ANSWERS NEW UPDATE 2024 1. A frameshift mutation could result from E) either an inser- tion or a deletion of a base. 2. Which of the following does not occur in prokaryotic eukaryotic gene expression, but does in eukaryotic gene expression? 3. Which of the following helps to hold the DNA strands apart while they are being replicated? 4. Accuracy in the translation of mRNA into the primary structure of a polypeptide depends on spe...

BIO 181 ASU EXAM 3 Short Answers Briefly explain why the action potential flows only from the axon hillock to the terminal web. - CORRECT ANSWER-The action potential originates from the axon hillock which initiates the flow of the action potential because of the presence of higher density voltage-gated ion channels. List the 4 types of glial cells and list a phrase to describe their function. - CORRECT ANSWER-- Microglia: cleans up cellular debris - Astrocytes: support and repair neurons ...

BIO 181 (Capco ASU) Final Exam questions well answered and verified T/F Excitatory synapses cause hyperpolarization of post-synaptic cells. - Correct Answers False The resting potential of neurons is: - Correct Answers -60 mv (The answer is not on this list.) T/F The autonomic nervous system contains the sympathetic and the parasympathetic nervous system. - Correct Answers True In the motor end plate, the event that is the immediate trigger for exocytosis is: - Correct Answers Calcium ...

ASU BIO 181 EXAM 1 QUESTIONS AND ANSWERS 100% VERIFIED In Cell Biology what can limit the progress of science? - answerTechnology- no method is perfect Which of the cell types below are not responsible for finding food? - answer1. Macrophage - initiates immune system 2. Lymphocyte - helps fight cancer and infection 3. Fibroblast - forms connective tissue T/F Cells in your body with different functions have the different DNA. - answerFALSE - every cell in your body contains the same DNA...

BIO 181 ASU EXAM 3 Short Answers Briefly explain why the action potential flows only from the axon hillock to the terminal web. The action potential originates from the axon hillock which initiates the flow of the action potential because of the presence of higher density voltage-gated ion channels. List the 4 types of glial cells and list a phrase to describe their function. - Microglia: cleans up cellular debris - Astrocytes: support and repair neurons - Schwann Cells: myelinates axons...

BIO 181 (Capco ASU) Exam 3 (Final Exam) 2024 T/F Excitatory synapses cause hyperpolarization of post-synaptic cells. - answerFalse The resting potential of neurons is: - answer-60 mv (The answer is not on this list.) T/F The autonomic nervous system contains the sympathetic and the parasympathetic nervous system. - answerTrue In the motor end plate, the event that is the immediate trigger for exocytosis is: - answerCalcium Ions Draw an action potential in the axon of a neuron and indicat...