What does it mean when the cell membrane is described as semipermeable or selectively permeable?
Cell Membrane Structures

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•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
It means the cell membrane allows some, but not all, molecules to pass through.
2.
FLASHCARD QUESTION
Front
What forms the two layers of the cell membrane?
Back
Phospholipids.
3.
FLASHCARD QUESTION
Front
Which biomolecule is NOT a structural part of the cell membrane?
Back
Nucleic acids.
4.
FLASHCARD QUESTION
Front
What is the primary component that makes up most of the cell membrane?
Back
Lipids.
5.
FLASHCARD QUESTION
Front
What is one important function of the proteins in the cell membrane?
Back
To provide a channel or passage for certain molecules to pass through.
6.
FLASHCARD QUESTION
Front
What are phospholipids?
Back
Molecules that form the bilayer of the cell membrane, consisting of a hydrophilic head and hydrophobic tails.
7.
FLASHCARD QUESTION
Front
What role do carbohydrates play in the cell membrane?
Back
They are involved in cell recognition and signaling.
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