1]All new phospholipid membrane is synthesized at the cytoplasmic side of the en
ID: 32785 • Letter: 1
Question
1]All new phospholipid membrane is synthesized at the cytoplasmic side of the endoplasmic reticulum and spontaneously distributes between both monolayers by spontaneous flipping of phospholipids between monolayers.
True/False
2]The interior of phospholipid bilayers -- between monolayers -- is hydrophobic.
True/false
3] Animals obtain both energy and small molecular components by food through catabolic pathways, turning ordered chemical bond energy into heat.
True/False
4] Unsaturated fatty acid chains are more reduced than saturated fatty acid chains.
True/False
5]The carbon in a methane molecule is more oxidized than the carbon in a molecule of carbon dioxide.
True/False
Explanation / Answer
1] All new phospholipid membrane is synthesized at the cytoplasmic side of the endoplasmic reticulum and spontaneously distributes between both monolayers by spontaneous flipping of phospholipids between monolayers.
It is a True statement.
2] The interior of phospholipid bilayers -- between monolayers -- is hydrophobic.
It is a True statement.
3] Animals obtain both energy and small molecular components by food through catabolic pathways, turning ordered chemical bond energy into heat.
It is a True statement.
4] Unsaturated fatty acid chains are more reduced than saturated fatty acid chains.
It is a False statement.
5] The carbon in a methane molecule is more oxidized than the carbon in a molecule of carbon dioxide.
It is a True statement.
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