Question 1
Which model of cell membrane structure was falsified by evidence from electron microscopy?
- A) Fluid Mosaic Model
- B) Davson-Danielli Model
- C) Singer-Nicolson Model
- D) Phospholipid Bilayer Model
Question 2
Which component of the cell membrane is responsible for reducing membrane fluidity at high temperatures?
- A) A
- B) B
- C) C
- D) D
Question 3
What process allows materials to be taken into cells by endocytosis or released by exocytosis?
- A) Simple Diffusion
- B) Facilitated Diffusion
- C) Osmosis
- D) Vesicular Transport
Question 4
To prevent osmosis-related damage in medical procedures, tissues or organs must be bathed in a solution with the same osmolarity as the cytoplasm. In the image shown below, what is the nature of solution surrounding the cell?
- A) The solution surrounding the cell has more solute particles.
- B) The solution surrounding the cell has the same solute concentration.
- C) The solution surrounding the cell has less solute particles.
- D) The image does not provide enough information.
Question 5
Which membrane transport process involves the movement of particles from an area of higher concentration to an area of lower concentration without the use of energy?
- A) Active Transport
- B) Endocytosis
- C) Facilitated Diffusion
- D) Exocytosis