Cell transport processes

Created March 2020, Offline version here
Video by Paul Anderson, also on his website Bozeman Science.


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1. This type of macromolecule helps substance transport. It can be found in pumps or channels along the cell membrane.
2. When salt is sprinkled on a slug, the water travels (_____) of the slug causing it to shrivel up.
3. When substances travel from a high concentration to a low concentration, this is known as traveling ____ a concentration gradient
4. This is used to describe plasma membranes that allow certain substances through
5. Phagocytes undergo this process when engulfing large particles. Requires energy.
6. Type of transport that does not require energy
7. When there is equal movement of solute in and out of the cell, it is said that the concentration is in (________).
8. How many potassium ions are co-transported in sodium potassium pumps?
9. When a red blood cell is placed in this environment, it swells and ultimately bursts.
10. Transport of water across a semi-permeable membrane
11. In active transport, substances are transported _____ the concentration gradient.
12. Transport of large, polar molecules using protein channels from a high concentration to a low concentration
13. Osmosis depends on the concentration of ______ to determine direction of movement.
14. In what types of cells are most sodium and potassium pumps found?
15. This process is when large quantities of a substance exit the cell. Requires energy.
16. How many sodium ions are co-transported in sodium potassium pumps?
17. When a red blood cell is place in this environment, it wrinkles and shrivels up.
18. Transport of small, non-polar molecules from a high concentration to low concentration
19. Type of transport that requires energy
20. Energy molecules used for cellular processes