Podcast
Questions and Answers
What property does the polar head of a phospholipid exhibit?
What property does the polar head of a phospholipid exhibit?
- Hydrophobic
- Loves water (correct)
- Moves around freely
- Forms nonpolar tails
Which part of a phospholipid is described as hydrophobic?
Which part of a phospholipid is described as hydrophobic?
- Fluid mosaic model
- Cholesterol
- Polar head
- Nonpolar tails (correct)
What type of model is used to describe the movement of phospholipids in the cell membrane?
What type of model is used to describe the movement of phospholipids in the cell membrane?
- Cholesterol model
- Fluid mosaic model (correct)
- Static model
- Bilayer model
What is the function of cholesterol in the cell membrane?
What is the function of cholesterol in the cell membrane?
Which molecule is known to cause problems when it builds up in arteries?
Which molecule is known to cause problems when it builds up in arteries?
What defines the border of the whole cell in terms of the cell membrane?
What defines the border of the whole cell in terms of the cell membrane?
What is the role of cholesterol in the cell membrane?
What is the role of cholesterol in the cell membrane?
Which type of proteins tend to be on the exterior areas of the cell membrane?
Which type of proteins tend to be on the exterior areas of the cell membrane?
Why are integral proteins important for cells?
Why are integral proteins important for cells?
What is the function of glycoproteins and glycolipids in cell recognition?
What is the function of glycoproteins and glycolipids in cell recognition?
How does the HIV virus exploit a glycoprotein known as CD4?
How does the HIV virus exploit a glycoprotein known as CD4?
Why can't glucose molecules easily enter cells through the phospholipid bilayer?
Why can't glucose molecules easily enter cells through the phospholipid bilayer?
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