Scelta multipla
Which of the following would not move freely across the cytoplasmic membrane?
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2. Cell Chemistry & Cell Components
Biological Membranes
Scelta multipla
Which of the following would not be a constituent of a plasma membrane?
A
Phospholipids
B
Cholesterol
C
Proteins
D
Nucleic acids
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Understand the structure of the plasma membrane: The plasma membrane is primarily composed of a bilayer of phospholipids, with embedded proteins and cholesterol molecules.
Identify the role of phospholipids: Phospholipids form the fundamental structure of the membrane, creating a hydrophobic interior and hydrophilic exterior, which is essential for membrane function.
Recognize the function of cholesterol: Cholesterol is interspersed within the phospholipid bilayer, providing stability and fluidity to the membrane.
Acknowledge the presence of proteins: Proteins are embedded in or associated with the plasma membrane, serving various functions such as transport, signaling, and structural support.
Consider the role of nucleic acids: Nucleic acids, such as DNA and RNA, are not components of the plasma membrane. They are primarily found in the nucleus and cytoplasm, involved in genetic information storage and transfer.
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