Bio 152 final - Study guides, Class notes & Summaries

For a neuron with an initial membrane potential at -70 mV, an increase in the movement of potassium ions out of that neuron's cytoplasm would result in the _____. correct answers hyperpolarization of the neuron The operation of the sodium-potassium "pump" moves _____. correct answers sodium ions out of the cell and potassium ions into the cell ATP hydrolysis directly powers the movement of _____. correct answers Na+ out of cells The "threshold" potential of a membrane is the _____...

BIO 152 / BIOD 152 AP 2 FINAL 2023 (Human Anatomy and Physiology Questions and Answers 100%) The neuron pictured, below, is best described as: Question 1 2 / 2 pts BIO 152 / BIOD 152 AP 2, FINAL Question 2 Not yet graded / 10 pts Correct! Bipolar It has two extensions from the central cell body. Multipolar Unipolar Pseudounipolar Name and describe what is occurring in the neuron cell membrane in section 2 of the diagram. Include the charge of the membrane during this phase. BIO 15...

Which of the following is not an observation or inference on which natural selection is based? a. There is heritable variation among individuals. b. Poorly adapted individuals never produce offspring. c. Species produce more offspring than the environment can support. d. Individuals whose characteristics are best suited to the environment generally leave more offspring than those whose characteristics are less well suited. e. Only a fraction of an individual's offspring may survive. b. Po...

BIO 152-A&P II Final Exam-with latest solutions-2023-2024

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For a neuron with an initial membrane potential at -70 mV, an increase in the movement of potassium ions out of that neuron's cytoplasm would result in the _____. correct answers hyperpolarization of the neuron The operation of the sodium-potassium "pump" moves _____. correct answers sodium ions out of the cell and potassium ions into the cell ATP hydrolysis directly powers the movement of _____. correct answers Na+ out of cells The "threshold" potential of a membrane is the _____...