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Questions and Answers
What is the function of membrane proteins in the plasma membrane?
What is the function of membrane proteins in the plasma membrane?
- Transporting molecules across the membrane (correct)
- Protecting the cell
- Creating bends to prevent solidification
- Attaching to antigens
Which type of membrane protein consists of an alpha helix with non-polar amino acids in the middle?
Which type of membrane protein consists of an alpha helix with non-polar amino acids in the middle?
- Peripheral
- Glycoprotein
- Integral (correct)
- Cholesterol
What do glycolipids and glycoproteins do in the cell membrane?
What do glycolipids and glycoproteins do in the cell membrane?
- Protect the cell (correct)
- Attach to antigens
- Create bends to prevent solidification
- Transport molecules across the membrane
Which type of antigen is common to all blood types?
Which type of antigen is common to all blood types?
What happens when someone receives antigens they do not already have?
What happens when someone receives antigens they do not already have?
What type of blood is characterized by the absence of the Rh Factor?
What type of blood is characterized by the absence of the Rh Factor?
Why do phospholipids arrange themselves into bilayers in membranes?
Why do phospholipids arrange themselves into bilayers in membranes?
What is the role of cholesterol in the phospholipid bilayer?
What is the role of cholesterol in the phospholipid bilayer?
Which part of a phospholipid is hydrophobic?
Which part of a phospholipid is hydrophobic?
What does it mean for a molecule to be amphipathic?
What does it mean for a molecule to be amphipathic?
Why are unsaturated hydrocarbon tails more suitable in cold environments?
Why are unsaturated hydrocarbon tails more suitable in cold environments?
How do phospholipids maintain their structure while allowing flexibility?
How do phospholipids maintain their structure while allowing flexibility?
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