Christine Davis - IU8
Quiz von , erstellt am more than 1 year ago

Biology (Cellular Transport) Quiz am Cellular Structures of the Plasma Membrane and Their Function, erstellt von Christine Davis - IU8 am 01/08/2017.

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Christine Davis - IU8
Erstellt von Christine Davis - IU8 vor mehr als 7 Jahre
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Cellular Structures of the Plasma Membrane and Their Function

Frage 1 von 6

2

What best explains the fluid mosaic model?

Wähle eine der folgenden:

  • 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

Erklärung

Frage 2 von 6

2

What is the function of membrane carbohydrates?

Wähle eine der folgenden:

  • 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

Erklärung

Frage 3 von 6

2

What macromolecule makes up the majority of the structural integrity of the plasma (cell) membrane?

Wähle eine der folgenden:

  • Glycolipids

  • Phospholipids

  • Lipids

  • Proteins

Erklärung

Frage 4 von 6

2

Which portion of the phospholipid is polar or hydrophilic?

Wähle eine der folgenden:

  • 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

Erklärung

Frage 5 von 6

1

The function of membrane proteins is to

Wähle eine der folgenden:

  • 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

Erklärung

Frage 6 von 6

1

Plasma membranes make up all the organelles in a Eukaryotic cell.

Wähle eins der folgenden:

  • WAHR
  • FALSCH

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