Cellular Structures of the Plasma Membrane and Their Function

Description

Biology (Cellular Transport) Quiz on Cellular Structures of the Plasma Membrane and Their Function, created by Christine Davis - IU8 on 01/08/2017.
Christine Davis - IU8
Quiz by Christine Davis - IU8, updated more than 1 year ago
Christine Davis - IU8
Created by Christine Davis - IU8 about 7 years ago
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Resource summary

Question 1

Question
What best explains the fluid mosaic model?
Answer
  • It is a model of mosaic molecules
  • There are many components of structure that migrate from place to place
  • It is a model that can move many molecules into and out of the cell
  • It is a model of many beautiful structures

Question 2

Question
What is the function of membrane carbohydrates?
Answer
  • Cell to cell or molecule transport recognition
  • The process of diffusion
  • The job of allowing the large molecules through the lipid bilayer
  • The job of keeping the good stuff in and the bad stuff out

Question 3

Question
What macromolecule makes up the majority of the structural integrity of the plasma (cell) membrane?
Answer
  • Glycolipids
  • Phospholipids
  • Lipids
  • Proteins

Question 4

Question
Which portion of the phospholipid is polar or hydrophilic?
Answer
  • The portion that allows only nonpolar molecules through the membrane
  • The portion that will come in contact with water
  • The inside portion only
  • The hydrocarbon tails of the phospholipid

Question 5

Question
The function of membrane proteins is to
Answer
  • allow all large material across the membranes
  • provide a passage for the polar substances or large molecules to move across the membrane
  • Allow substances that are non- polar substances and large to move across the membrane
  • Regulate only the water balance within the cell

Question 6

Question
Plasma membranes make up all the organelles in a Eukaryotic cell.
Answer
  • True
  • False
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