How would you define the term "membrane potential."The ability of a cell to perform its specialized function.A voltage difference that exists across the outer and inner face of theplasma membrane.The possibility of a given cell activity being accomplished.Aa

The plasma membrane is the membrane that separates the cytoplasm or interior of the cell from the…

Answered: How would you define the term "membrane…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Xena eventually catches Callisto (remember, she is 25 years old). Salmoneus, who is 60 years old, agrees to deliver Callisto to face charges for war crimes. On the way, their cart crashes down a ravine. Salmoneus dies. When a cell dies its plasma membrane becomes “leaky”; i.e., it becomes permeable to ions that were unable to freely cross the membrane during life. Thus, after death, calcium ions leak across the sarcolemma of muscle fibers. This calcium leak causes rigor mortis, a temporary stiffness of the muscles after death. Apply your understanding of the mechanism of skeletal muscle contraction (specifically regarding events within muscle fibre) and explain the molecular basis of the phenomenon known as rigor mortis.
Could some one explain the correct answer for the question in the drop down box
Below is a picture of the sodium-potassium (Na*/K*) pump. Na Higher concentration Lower concentration Na* ATP protein pump K* Lower concentration Higher concentration (i) When sodium and potassium ions move across the membrane using the Na*/K* pump, they are using which type of cell membrane transport? ( (ii) In your own words, describe the process by which sodium ions cross the membrane using the Na*/K* pump. Incorporate into your answer all of the following terms; higher concentration, lower concentration, ATP, concentration gradient, Na*/K* pump. (iii) In your own words, describe the process by which potassium ions cross the membrane using the Na*/K* pump. Incorporate into your answer all of the following terms; higher concentration, lower concentration, ATP, concentration gradient. Na /K pump Edit View Insert Format Tool 12pt Paragraph
What type of protein opens when the membrane depolarizes, such as when an action potential moves along the membrane? ligand-gated channels voltage-gated channels
Which of the following regarding the sodium potassium pump is FALSE? It tends to be found on the apical plasma membrane of polarized cells It transports three sodium ions to the outside of the cell It transports two potassium ions to the inside of the cell. It helps to maintain unequal distribution of ions across the plasma membrane
What molecule below does not need assistance crossing the plasma membrane? oxygen glucose sodium ion calcium ion
How exactly does a cell's plasma membrane work? I have a vague understanding of it, but I would like a better explanation. Thanks.

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How would you define the term "membrane potential." The ability of a cell to perform its specialized function.