What process(es) are required for phospholipids to flip-flop across the lipid bilayer?

A. The process requires energy.
B. The process occurs spontaneously, requiring no energy.
C. The process requires an enzyme called flippase.
D. The process requires energy and the flippase enzyme.
E. The process occurs spontaneously and requires the flippase enzyme.


D. The process requires energy and the flippase enzyme.

Biology & Microbiology

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____ functions as a container or way to package substances in the cell.

A. Chloroplast B. Chromosome C. Vesicle D. Ribosome E. Centriole

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Which of the following statements about eosinophil function is CORRECT?

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