9.1: Study Guide- Cell Membrane
- Page ID
- 46415
\( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \)
\( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)
\( \newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\)
( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\)
\( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\)
\( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\)
\( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\)
\( \newcommand{\Span}{\mathrm{span}}\)
\( \newcommand{\id}{\mathrm{id}}\)
\( \newcommand{\Span}{\mathrm{span}}\)
\( \newcommand{\kernel}{\mathrm{null}\,}\)
\( \newcommand{\range}{\mathrm{range}\,}\)
\( \newcommand{\RealPart}{\mathrm{Re}}\)
\( \newcommand{\ImaginaryPart}{\mathrm{Im}}\)
\( \newcommand{\Argument}{\mathrm{Arg}}\)
\( \newcommand{\norm}[1]{\| #1 \|}\)
\( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\)
\( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\AA}{\unicode[.8,0]{x212B}}\)
\( \newcommand{\vectorA}[1]{\vec{#1}} % arrow\)
\( \newcommand{\vectorAt}[1]{\vec{\text{#1}}} % arrow\)
\( \newcommand{\vectorB}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \)
\( \newcommand{\vectorC}[1]{\textbf{#1}} \)
\( \newcommand{\vectorD}[1]{\overrightarrow{#1}} \)
\( \newcommand{\vectorDt}[1]{\overrightarrow{\text{#1}}} \)
\( \newcommand{\vectE}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{\mathbf {#1}}}} \)
\( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \)
\( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)
Study Questions
Objective: Relate the structure of the cell membrane to is function as a semi-permeable barrier between intracellular fluid and extracellular fluid.
Use this page to check your understanding of the’s content.
Vocabulary
- Phospholipid
- Phospholipid bilayer
- Semipermeable
- Exocytosis
- Endocytosis
- Tonicity
- Osmosis
- Diffusion
- Extracellular fluid
- Intracellular fluid
Study Guide Questions
- What is the purpose of the cell membrane?
- Describe the structure of the cell membrane.
- How does the structure of the cell membrane affect its function? What IS its function?Use the words “hydrophobic” and “hydrophyllic” to describe the cell membrane.
- Why is the cell membrane said to be a “fluid mosaic”?
- What role(s) do proteins play in the cell membrane?
- What role(s) does cholesterol play in the cell membrane?
- What is unique about the cell membrane of an archaean prokaryote?
- How do substances get into and out of the cell?
- Compare and contrast primary and secondary active transport.
- Compare and contrast active and passive transport.
- Compare and contrast simple diffusion and facilitated diffusion
- Compare and contrast endocytosis and exocytosis.
- Define osmosis.
- Given any scenario, predict the movement of water molecules across a semipermeable membrane.
- Describe the concept of “tonicity”.
- Given any solution, be able to label the solution “hyper, hypo or isotonic”.
Contributors and Attributions
- Study Guide: Cell Membrane. Authored by: Wendy Riggs. Provided by: College of the Redwoods. Project: Kaleidoscope. License: CC BY: Attribution