1. how is facilitated diffusion different from other forms of passive transport? a. in facilitated diffusion, a special protein channel substances cross the cell membrane. b. facilitated diffusion is not a form of passive transport. c. facilitated diffusion requires atp. d. in facilitated diffusion, water flows through protein channels until it reaches a greater concentration inside the cell. 2. which of the following happens to a cell in a hypotonic solution? a. the cell stays the same. b. the cell loses water and shrivels. c. water moves into the cell. d. the cell gains water and expands. 3. what is the role of atp in the process of active transport? a. it provides the energy that cells need to move molecules against a concentration gradient. b. it lengthens the fatty acid chains in the cell membrane. c. it weakens the cell membrane, allowing molecules to pass through more easily. d. it provides the energy to transport the cell in its environment. 4. what kind of environment is described when the concentration of dissolved substances is greater outside the cell than inside? a. hypertonic b. hypotonic c. isotonic d. saline 5. an amoeba expels large particles by what process? a. diffusion b. endocytosis c. exocytosis d. osmosis
Answers: 1
Biology, 22.06.2019 00:30
Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?
Answers: 1
Biology, 22.06.2019 03:00
Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point
Answers: 1
Biology, 22.06.2019 06:20
Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute
Answers: 2
1. how is facilitated diffusion different from other forms of passive transport? a. in facilitated...
Computers and Technology, 01.10.2019 05:30
Law, 01.10.2019 05:30
Geography, 01.10.2019 05:30