A plant cell with a sucrose concentration of .9 M of sucrose is put into an extracellular fluid with a sucrose concentration of .4 M. What is the tonicity of the solution to the cell?
A. Hypertonic
B. Isotonic
C. Hypotonic
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A cell membrane is usually able to maintain fluidity even in cold temperature. Scientists found an animal cell that becomes solid when they expose it to cold temperatures. Identify what part of the cell membrane is not properly working in the animal cell.
A. Intergral proteins
B. Cholesterol
C. Carbohydrates
D. Steriods
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