Podcast
Questions and Answers
What factor does NOT influence the rate of diffusion?
What factor does NOT influence the rate of diffusion?
- Temperature
- Concentration gradient steepness
- Type of molecule or ion
- Volume of the solvent (correct)
In osmosis, water moves from an area of ____ concentration to an area of ____ concentration.
In osmosis, water moves from an area of ____ concentration to an area of ____ concentration.
- high; moderate
- low; high
- high; low (correct)
- equal; unequal
What term describes a solution with equal solute concentrations inside and outside the cell?
What term describes a solution with equal solute concentrations inside and outside the cell?
- Hypertonic
- Isosmotic
- Isotonic (correct)
- Hypotonic
How does facilitated diffusion differ from regular diffusion?
How does facilitated diffusion differ from regular diffusion?
Active transport requires energy because it moves molecules from ____ concentration to ____ concentration.
Active transport requires energy because it moves molecules from ____ concentration to ____ concentration.
What process is used for the uptake of large food molecules into the cell?
What process is used for the uptake of large food molecules into the cell?
What are protein channels in the cell membrane responsible for?
What are protein channels in the cell membrane responsible for?
Which type of solution has a lower concentration of solute molecules compared to another solution?
Which type of solution has a lower concentration of solute molecules compared to another solution?
What role does the cell membrane play in maintaining homeostasis?
What role does the cell membrane play in maintaining homeostasis?
Which mechanism is characterized as requiring energy from the cell?
Which mechanism is characterized as requiring energy from the cell?
What is the correct definition of osmosis?
What is the correct definition of osmosis?
What term is used to describe the dissolved substance in a solution?
What term is used to describe the dissolved substance in a solution?
How does facilitated diffusion differ from regular diffusion?
How does facilitated diffusion differ from regular diffusion?
Which process involves the cell engulfing material to bring it inside?
Which process involves the cell engulfing material to bring it inside?
What characterizes the concentration gradient?
What characterizes the concentration gradient?
Which transport mechanism does NOT require energy?
Which transport mechanism does NOT require energy?
