Phospholipids Make Up Most of the Lipid Part of the Cell

question 85

Multiple Choice

Phospholipids make up most of the lipid part of the cell membrane.Since water exists on both the outside and inside of a cell,which of the following phospholipid arrangements makes the most sense?

• A) a single layer of phospholipids with the polar heads facing outside the cell
• B) a single layer of phospholipids with the polar heads facing inside the cell
• C) two back-to-back phospholipid layers with the polar heads facing out on both sides
• D) two back-to-back phospholipid layers with the non-polar tails facing out on both sides

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Definitions:

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Tasks that require basic logical thinking and problem-solving skills.

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The duration it takes to locate a specific item or piece of information among a collection of others.

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The component of the memory system that is involved in the temporary storage of information, typically holding information for seconds to minutes before it is either forgotten or transferred to long-term memory.

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