Look at the diagram of a cross-section of a cell membrane below. The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane?
A. simple osmosis
B. active transport
C. simple diffusion
D. facilitated diffusion
Select your answer:
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Population Ecology › ViewWhich kind of growth does the human population follow? It is described as a J-shaped curve.
A. Exponential Growth
B. Logistic Growth
C. Outstanding Growth
D. Minimal Growth
Forensics: Blood › View
Which is the best way to store/package a blood sample?
A. store at high temperatures
B. store it wet
C. keep in intense light
D. dry sample first