Dec 9 AP Bio Review 1

Front

What part of the phospholipids in a cell membrane faces inward?

Back

Tails

Front

What property of the phospholipid tails causes them to face inward?

Back

Hydrophobic

Front

What is the correct order of the steps in mitosis?

Back

Prophase, Metaphase, Anaphase, Telophase

Front

What happens when a ligand binds to its receptor?

Back

Confirmation change in shape of receptor

Front

What are the three parts of a signal transduction pathway?

Back

Reception, Transduction, Response

Front

What type of bonds contribute to the surface tension of water?

Back

Hydrogen bonds

Front

What is the role of receptors in cell signaling?

Back

To bind ligands and initiate a response.

Front

What is the difference between hydrophilic and hydrophobic molecules?

Back

Hydrophilic molecules are attracted to water, while hydrophobic molecules repel water.

Front

What is the significance of the cell membrane's fluid mosaic model?

Back

It describes the structure of the cell membrane as a mosaic of various components that move freely.

Front

What is the function of phospholipids in the cell membrane?

Back

To form a barrier that separates the interior of the cell from the external environment.