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The Cell Membrane

written by: solpre
 
Questions about a cell's membrane; it's structure and function. Also covered are questions on the method of traffic across the membrane.

Question 1:


This property of the cell membrane allows allows some particles to cross more easily than others.
Semi-permeability
Selective permeability
Discriminative passage
Semi-discriminative

Question 2:


What is the name given to the current model of a cell membrane?
Davson-Danielli model
Fluid Mosaic model
Bilayer Phospholipid model
Protein-Lipid model

Question 3:


What does the Davson-Danielli cell model look like?
There are no proteins, only a phospholipid bilayer
Proteins and phospholipids are structured in a checkerboard pattern
Proteins are embedded in a phospholipid bilayer
Two layers of proteins sandwich a phospholipid bilayer

Question 4:


What animal cell helped prove that membrane proteins drift?
Mouse
Monkey
Dog
Fish

Question 5:


All cell proteins are embedded in the cell membrane.
False
True

Question 6:


Glycolipids in cell membranes are involved in transport, enzymatic activity, intercellular joining, and cell-cell recognition.
False
True

Question 7:


Does active transport require the energy of the molecule adenosine diphosphate or ADP?
Yes
No

Question 8:


How permeable is the cell membrane?
It varies in permeablity
It is not permeable
It is semi permeable
It is fully permeable

Question 9:


You are stranded on an island and start drinking water from the ocean because there is no other water source. What state will this put your cells in, and what will happen to you?
hypotonic; become sick
hypotonic; rehydrate
isotonic; be in the same state
hypertonic; dehydrate

Question 10:


When you take a shower or bath for a long time, the skin on your fingertips shrivels. This happens because your body does this.
Absorbs water in the hypertonic solution
Absorbs water in the hypotonic solution
Loses water in the hypertonic solution
Loses water in the hypotonic solution

 


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