Cell Size
·
How is SA of a cube
calculated? How is volume of a cube calculated? How is
the SA: volume ratio calculated?
·
What happens to the SA: V
ratio when the size of the cell increases?
·
What does the amount of
surface area dictate for the cell?
·
What does the amount of
volume dictate for the cell?
·
Why are cells small?
·
List some adaptations of
cells to maximize the SA: volume ratio.
Membrane Structure
·
What is the function of
the cell membrane?
·
Describe the meanings of
the terms fluid and mosaic in the “fluid mosaic” model
of membrane structure.
·
Describe the structure of
the phospholipid, including a phosphate and glycerol
head and fatty acid tails.
·
Explain the terms
hydrophobic and hydrophilic, and describe how these
properties lead to a phospholipid bilayer.
·
Contrast integral and
peripheral proteins.
·
List at least four
functions of membrane bound proteins.
·
Contrast the two types of
transport proteins: carriers and channels.
·
Cite evidence that the
phospholipids and proteins in the membrane are fluid
(meaning they can drift within the membrane).
·
Why are some fatty acids
considered saturated and others considered unsaturated?
·
What effect does being
saturated or unsaturated have one the fluidity of the
membrane?
·
Describe the function of
cholesterol molecules in the membrane.
