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Home Q & A Board Biology-Related Homework Help Biochemistry
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lennyctz lennyctz
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11 years ago
A. Extracellular structures store energy in the form of polysaccharides for subsequent metabolism by the cell.
B. Information can be transmitted from these extracellular structures to the cytoplasm.
 C. Proteins and lipids are common components of extracellular structures.
D.  All extracellular structures form barriers to separate adjacent cells.
E.  Extracellular structures regulate the passage of water molecules across the cell membrane.
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#1
11 years ago
B. information can be transmitted from these extracellular structures to the cytoplasm. molecules can bind to the cell receptors and transmit information into the cell since they cannot pass through the cell membrane.

not A. becauseyou would breakdown the cell structure if you did that.
not C. because the structures are mostly made from carbohydrates and proteins.
not D. because it isn't (can't remember)
not E. because water molecules can pass through the cell membrane without regulation.
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