Podcast
Questions and Answers
What is the driving force for diffusion, movement, or transport to happen?
What is the driving force for diffusion, movement, or transport to happen?
- Concentration gradient (correct)
- Carrier proteins
- Channel proteins
- ATP
In which direction does movement occur when solute moves from a lower concentration to a higher concentration?
In which direction does movement occur when solute moves from a lower concentration to a higher concentration?
- Against the concentration gradient
- Down the concentration gradient
- Up the concentration gradient (correct)
- Along the channel protein
What type of transport is opposite to the concentration gradient?
What type of transport is opposite to the concentration gradient?
- Active transport (correct)
- Facilitated diffusion
- Passive transport
- Simple diffusion
What is an indication that a transport process is active rather than passive?
What is an indication that a transport process is active rather than passive?
Why can ions not easily pass through the cell membrane?
Why can ions not easily pass through the cell membrane?
Why is the presence of ATP a good indication of active transport?
Why is the presence of ATP a good indication of active transport?
What is the main factor driving movement in diffusion?
What is the main factor driving movement in diffusion?
In which type of transport does water move to achieve equilibrium?
In which type of transport does water move to achieve equilibrium?
What happens to a cell in a hypertonic solution?
What happens to a cell in a hypertonic solution?
What is the role of GLUT1 in cellular transport?
What is the role of GLUT1 in cellular transport?
Which process involves the combined effect of concentration gradient and charge gradient?
Which process involves the combined effect of concentration gradient and charge gradient?
What is the main difference between isotonic and hypotonic solutions?
What is the main difference between isotonic and hypotonic solutions?
What type of transport involves the movement of one solute in one direction?
What type of transport involves the movement of one solute in one direction?
Which type of channel protein allows the rapid passage of various solutes across membranes?
Which type of channel protein allows the rapid passage of various solutes across membranes?
In which type of transport do carrier proteins move two solutes simultaneously?
In which type of transport do carrier proteins move two solutes simultaneously?
Which transmembrane protein is responsible for facilitating the direct crossing of specific solutes?
Which transmembrane protein is responsible for facilitating the direct crossing of specific solutes?
What type of transport moves solutes in the opposite direction?
What type of transport moves solutes in the opposite direction?
Which channel protein structure is tetrameric with four central atoms?
Which channel protein structure is tetrameric with four central atoms?
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