Phospholipids and Proteins
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These flashcards cover the key concepts regarding phospholipids and proteins based on the provided notes.
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10 Terms
What are phospholipids composed of?
2 fatty acids and 1 phosphate group.
What is the structure of a phospholipid?
It has a hydrophilic head (phosphate group) and a hydrophobic tail (fatty acids).
What do phospholipids form?
They form the phospholipid bilayer that makes up the plasma membrane of cells.
What is the main function of proteins in the cell membrane?
They make the membrane selectively permeable to certain molecules.
Name one function of proteins in the human body.
They regulate biochemical reactions as enzymes.
What are antibodies and their role?
Antibodies help the immune system fight diseases.
What do transport proteins do?
They transport substances in and out of the cell.
What is the monomer of proteins?
Amino acids.
What is the polymer of proteins?
Polypeptides.
How much energy do proteins provide per gram?
Proteins provide 4 calories per gram.
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