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The Cell Membrane
Questions about a cell's membrane; it's structure and function. Also covered are questions on the method of traffic across the membrane.
This property of the cell membrane allows allows some particles to cross more easily than others.
What is the name given to the current model of a cell membrane?
Bilayer Phospholipid model
Fluid Mosaic model
What does the Davson-Danielli cell model look like?
Two layers of proteins sandwich a phospholipid bilayer
There are no proteins, only a phospholipid bilayer
Proteins are embedded in a phospholipid bilayer
Proteins and phospholipids are structured in a checkerboard pattern
What animal cell helped prove that membrane proteins drift?
All cell proteins are embedded in the cell membrane.
Glycolipids in cell membranes are involved in transport, enzymatic activity, intercellular joining, and cell-cell recognition.
Does active transport require the energy of the molecule adenosine diphosphate or ADP?
How permeable is the cell membrane?
It is semi permeable
It varies in permeablity
It is not permeable
It is fully permeable
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
isotonic; be in the same state
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 hypotonic solution
Absorbs water in the hypertonic solution
Loses water in the hypertonic solution
Loses water in the hypotonic solution
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