Question

Which of the following describes an example of molecular movement across a membrane
through active transport?
O Channel proteins bind with extracellular solutes and release them inside the cell.
O Hydrocarbons enter the cell by dissolving in the lipid bilayer of the membrane.
Proton pumps move hydrogen ions out of the cell against a concentration gradient.
O Vesicles carrying waste products fuse with the membrane during endocytosis.

Answer 1

Answer:

Hydrocarbons

Explanation:

Answer 2

Hydrocarbons enter the cell by dissolving in the lipid bilayer of the membrane.

The following information should be considered;

• The example of molecular movement across a membrane should be the Hydrocarbons that should enter the cell.
• It should be entered via dissolving the lipid bilayer.

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