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Questions and Answers
A phospholipid is composed of....
A phospholipid is composed of....
- One glycerol molecule linked to one phosphate group and two fatty acids (correct)
- One fatty acid molecule linked to three glycerol molecules
- One glycerol molecule linked to three phosphate groups
- One fatty acid molecule linked to one glycerol molecule and two phosphate groups
The molecular formula of most monosaccharides follows the following pattern:
The molecular formula of most monosaccharides follows the following pattern:
- C(n) H(3n) O(n)
- C(n) H(n) O(n)
- C(n) H(2n) O(n) (correct)
- C(n) H(n) O(2n)
What is the general function of enzymes within a cell?
What is the general function of enzymes within a cell?
- To speed up chemical reactions (correct)
- To stop chemical reactions
- To slow down chemical reactions
- To absorb monomers
A disaccharide forms when....
A disaccharide forms when....
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Fatty acids are...
Fatty acids are...
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Study Notes
Phospholipids
- Comprised of one glycerol molecule, one phosphate group, and two fatty acids.
- Essential for forming cell membranes, providing a hydrophobic barrier.
Monosaccharides
- General molecular formula follows C(n) H(2n)O(n).
- Basic building blocks of carbohydrates, playing a crucial role in energy storage and supply.
Enzymes
- Function primarily to speed up chemical reactions within cells.
- Act as catalysts, lowering the activation energy required for reactions.
Disaccharides
- Formed when two monosaccharides join through a dehydration reaction.
- Common examples include sucrose (table sugar) and lactose (milk sugar).
Fatty Acids
- Composed of carbon, hydrogen, and oxygen, typically not in a fixed ratio like carbohydrates.
- Characterized by their hydrophobic nature, essential in energy storage and membrane structure.
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