The type of cellular transport that moves molecules across the membrane by expending energy is called Active Transport.

Here are the steps of how it works:

1. Active transport usually happens across the cell membrane. There are thousands of proteins embedded in the cell's lipid bilayer. These proteins do much of the work in active transport.

2. The process begins when the molecules that need to be transported bind to the protein.

3. The cell then uses energy, usually in the form of ATP (adenosine triphosphate), to change the shape of the protein.

4. This shape change allows the molecules to be released on the other side of the membrane.

5. Once the molecules are released, the protein returns to its original shape, ready to transport more molecules.

6. This process allows the cell to move substances against their concentration gradient, which is why it requires energy.

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The type of cellular transport that moves molecules across the membrane by expending energy is called Active Transport.

Here are the steps of how it works:

1. Active transport usually happens across the cell membrane. There are thousands of proteins embedded in the cell's lipid bilayer. These proteins do much of the work in active transport.

2. The process begins when the molecules that need to be transported bind to the protein.

3. The cell then uses energy, usually in the form of ATP (adenosine triphosphate), to change the shape of the protein.

4. This shape change allows the molecules to be released on the other side of the membrane.

5. Once the molecules are released, the protein returns to its original shape, ready to transport more molecules.

6. This process allows the cell to move substances against their concentration gradient, which is why it requires energy.

Knowee AI · Accepted Answer

The type of cellular transport that moves molecules across the membrane by expending energy is called Active Transport.

Here are the steps of how it works:

1. Active transport usually happens across the cell membrane. There are thousands of proteins embedded in the cell's lipid bilayer. These proteins do much of the work in active transport.

2. The process begins when the molecules that need to be transported bind to the protein.

3. The cell then uses energy, usually in the form of ATP (adenosine triphosphate), to change the shape of the protein.

4. This shape change allows the molecules to be released on the other side of the membrane.

5. Once the molecules are released, the protein returns to its original shape, ready to transport more molecules.

6. This process allows the cell to move substances against their concentration gradient, which is why it requires energy.

Which type of cellular transport moves molecules across the membrane by expending energy?

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