Cell Transport AP Biology

Which of the following is the correct name of the model that describes the structure of the cell membrane?

• The Fluid Molecular Model

• The Free Molecular Model

• The Fluid Mosaic Model

• The Free Mosaic Model

Which of the following describes a solution that has a higher concentration than the internal environment of the cell?

• Hypotonic

• Isotonic

• Hypertonic

• Transtonic

What is the solute potential also known as?

• Osmotic potential

• Pressure potential

• Water potential

• Turgor pressure

A person would never have pure water put into their veins in a hospital because their cells would...

• Shrink/Dehydrate

• Expand

Tags

NGSS.HS-LS1-3

A saltwater snail is placed in freshwater. What happens to its cells?

• They shrink

• They swell

• Nothing happens

Tags

NGSS.HS-LS1-3

If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is _______ compared to the cell.

• hypertonic-

• hypotonic

• isotonic

Which of the following is a function of the Golgi apparatus?

• Detoxification of the cell and lipid synthesis.

• Protein and rRNA synthesis.

• Synthesis of chemical energy (adenosine triphosphate).

• Chemical modification of newly synthesized proteins before they are packaged for trafficking to other parts of the cell or outside of the cell.

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?

• It exhibits specificity for a particular type of molecule

• It requires the expenditure of cellular energy to function.

• It works against diffusion.

• It has not hydrophobic regions.

Tags

NGSS.HS-LS2-3

Which of the following would likely diffuse through the lipid bilayer of a plasma membrane most rapidly?

• sucrose.

• an amino acid.

• O₂.

• Na⁺.

Which of the following statements about diffusion is true?

• It is very rapid of long distances.

• It requires an expenditure of energy by the cell.

• It is an active process in which molecules move from a region of lower concentration to a region of higher concentration.

• It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.