1. Which of the following lipids have one or more fatty acids in their structure? Select all that apply Steroids Waxes Triglycerides Phospholipids None of the above contain fatty acids 2 What causes transmembrane proteins to remain within the membrane? One answer a. They are covalently attached to the extracellular matrix b. They are covalently attached to the membrane lipids c. They are hydrogen bonded to the fatty acid tails of the membrane lipids d. The have both hydrophobic and polar regions e. They contain only polar or charged amino acids 3. Unsaturated fats are liquids at room temperature because? One answer They have only two fatty acid chains attached to glycerol Their fatty acids are bent, limiting interactions between the molecules They are amphipathic, resulting in the formation of a bilayer Unsaturated fats are usually solid at room temperature Their fatty acids have only single bonds between carbons, allowing tight packing
1. Which of the following lipids have one or more fatty acids in their structure? Select all that apply
Steroids
Waxes
Triglycerides
Phospholipids
None of the above contain fatty acids
2 What causes transmembrane proteins to remain within the membrane? One answer
a. They are covalently attached to the extracellular matrix
b. They are covalently attached to the membrane lipids
c. They are hydrogen bonded to the fatty acid tails of the membrane lipids
d. The have both hydrophobic and polar regions
e. They contain only polar or charged amino acids
3. Unsaturated fats are liquids at room temperature because? One answer
They have only two fatty acid chains attached to glycerol
Their fatty acids are bent, limiting interactions between the molecules
They are amphipathic, resulting in the formation of a bilayer
Unsaturated fats are usually solid at room temperature
Their fatty acids have only single bonds between carbons, allowing tight packing
4. What causes transmembrane proteins to remain within the membrane? one answer
They are covalently attached to the extracellular matrix
They are covalently attached to the membrane lipids
They are hydrogen bonded to the fatty acid tails of the membrane lipids
The have both hydrophobic and polar regions
They contain only polar or charged amino acids
5. Wax is highly nonpolar due to its? one answer
Very long hydrocarbon chains
Amphipathic two-part structure
Oxygen atom linking the two parts of the molecule
Multiple double bonds between its carbon atoms
Covalent bond connecting the two parts of the molecule
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